
CHAPTER – 18
Question 1. Bilirubin is
- derived exclusively from the breakdown of haemoglobin (False)
- Explanation: Also from catabolism of other haem-containing proteins (e.g. myoglobin)
- bound in the unconjugated form to plasma ß-globulin (False)
- Explanation: Bound to albumin
- conjugated in the microsomes of the hepatocytes (True)
- Explanation: By enzymes of the smooth endoplasmic reticulum
- reabsorbed in the small bowel as bilirubin diglucuronide (False)
- Explanation: Only reabsorbed after metabolism to stercobilinogen
- normally excreted as stercobilinogen in the faeces and as urobilinogen in the urine (True)
- Explanation: And as the oxidation products stercobilin and urobilin
Question 2. The concentration of conjugated bilirubin in the
- serum in haemolytic anaemia is typically increased (False)
- Explanation: Unconjugated hyperbilirubinaemia
- urine of healthy subjects is typically undetectable (True)
- Explanation: As almost all bilirubin is unconjugated and albumin-bound
- serum normally constitutes most of the total serum bilirubin (False)
- Explanation: Most of the serum bilirubin is unconjugated
- serum in Gilbert’s syndrome is typically increased (False)
- Explanation: Unconjugated bilirubin is increased
- urine in viral hepatitis parallels that of urobilinogen (False)
- Explanation: Urobilinogen is an unreliable indicator of hepatobiliary disease
Question 3. The serum alanine aminotransferase (ALT) concentration is
- derived from a microsomal enzyme specific to hepatocytes (False)
- Explanation: Neither ALT nor AST is specific to the liver
- typically more than six times normal in alcoholic hepatitis (False)
- Explanation: Not usually > three times normal
- usually normal in both obstructive and haemolytic jaundice (False)
- Explanation: May be elevated in either
- likely to rise and fall in parallel with the serum bilirubin in viral hepatitis (False)
- Explanation: Changes in serum ALT precede changes in the serum bilirubin
- likely to increase in response to enzyme-inducing drug therapy (False)
- Explanation: Only the gamma-glutamyl transferase levels increase
Question 4. The serum alkaline phosphatase concentration is
- derived from the liver, bone, small bowel and placenta (True)
- Explanation: Therefore not specific to liver disease
- typically increased to more than six times normal in viral hepatitis (False)
- Explanation: Not usually > 2.5 times normal
- derived mainly from hepatic sinusoidal and canalicular membranes (True)
- Explanation: Excess synthesis in cholestasis
- of particular prognostic value in chronic liver disease (False)
- Explanation: No prognostic value
- increased more in extrahepatic than in intrahepatic cholestasis (False)
- Explanation: No site-specific pattern
Question 5. In the investigation of suspected liver disease
- ultrasonography reliably distinguishes solid from cystic masses (True)
- ultrasonography reliably excludes liver disease (False)
- Explanation: May appear normal in disease
- normal liver function values exclude significant liver disease (False)
- Explanation: May be normal in 10-15% of patients with cirrhosis
- the mortality rate of percutaneous liver biopsy is about 5% (False)
- Explanation: Approximately 0.05%
- ascitic protein concentrations > 25 g/l are compatible with a diagnosis of carcinomatosis (True)
- Explanation: And tuberculosis and hepatic vein obstruction; protein concentration < 30 g/l = transudate
Question 6. Characteristic features of Gilbert’s syndrome include
- an autosomal recessive mode of inheritance (False)
- Explanation: Typically autosomal dominant
- decreased hepatic glucuronyl transferase activity (True)
- Explanation: Causing failure of bilirubin conjugation
- unconjugated hyperbilirubinaemia < 100 µmol/l (True)
- Explanation: And no abnormality of other liver function tests
- serum bilirubin concentration increased by fasting (True)
- Explanation: Sometimes used as a diagnostic test
- increased serum bile acid concentrations (False)
- Explanation: Unconjugated hyperbilirubinaemia is the sole abnormality
Question 7. Characteristic features of cholestatic jaundice include
- dark green stools (False)
- Explanation: Typically pale stools-steatorrhoea
- dark brown urine (True)
- Explanation: Due to conjugated bilirubinuria
- unconjugated hyperbilirubinaemia (False)
- Explanation: Conjugated hyperbilirubinaemia
- serum alkaline phosphatase concentration > 2.5 times normal (True)
- Explanation: Diagnostic feature
- increased serum bile acid concentrations (True)
Question 8. Typical causes of extrahepatic cholestatic jaundice include
- sclerosing cholangitis (False)
- Explanation: Intrahepatic
- primary biliary cirrhosis (False)
- Explanation: Intrahepatic
- cystic fibrosis (True)
- Explanation: Common bile duct obstruction from chronic pancreatitis
- alcoholic cirrhosis (False)
- Explanation: Intrahepatic
- non-alcoholic steatohepatitis (False)
- Explanation: Rarely causes jaundice
Question 9. The following features suggest extrahepatic cholestasis rather than viral hepatitis
- a palpable gallbladder (True)
- Explanation: E.g. pancreatic carcinoma
- right hypochondrial tenderness (False)
- Explanation: Also common in acute hepatitis
- serum alkaline phosphatase concentration > 2.5 times normal (True)
- pruritus and rigors (True)
- Explanation: Suggests obstruction with cholangitis
- peripheral blood polymorph leucocytosis (True)
- Explanation: Sometimes relative lymphocytosis in viral hepatitis
Question 10. The typical causes of macrovesicular steatosis include
- alcohol misuse (True)
- Explanation: Often asymptomatic
- pregnancy (False)
- Explanation: Microvesicular steatosis
- Reye’s syndrome (False)
- Explanation: Microvesicular steatosis
- severe malnutrition (True)
- Explanation: Steatohepatitis (macrovesicular steatosis with hepatocyte necrosis) can be serious
- diabetes mellitus (True)
- Explanation: Common and benign
Question 11. The typical features of type A viral hepatitis (HAV) include
- picornavirus infection spread by the faecal-oral route (True)
- an incubation period of 3 months (False)
- Explanation: 2-4 weeks
- a greater risk of acute liver failure in the young than in the old (False)
- Explanation: But children are more frequently infected
- right hypochondrial pain and tenderness (True)
- Explanation: Non-specific findings of acute hepatitis
- progression to cirrhosis if cholestasis is prolonged (False)
- Explanation: Chronic hepatitis does not occur
Question 12. The following statements about type A viral hepatitis are true
- persistent viraemia produces the post-hepatitis syndrome (False)
- Explanation: Viraemia is only transient in hepatitis A
- relapsing hepatitis usually indicates a poorer prognosis (False)
- Explanation: Spontaneous recovery is the typical outcome
- the virus is not usually transmitted via infected blood (True)
- Explanation: But a recognised rarity
- drug-induced acute hepatitis produces similar liver histology (True)
- Explanation: Serological investigations should help distinguish
- travellers given immune serum globulin are protected for 3 months (True)
- Explanation: Some will have natural endogenous protection
Question 13. Circulating hepatitis B surface antigen (HBsAg) is
- detectable during the prodrome of acute type B hepatitis (True)
- Explanation: A reliable marker of hepatitis B infection
- a DNA viral particle transmissible in all body fluids (True)
- Explanation: A DNA hepadna virus
- likely to persist in about 50% of adults following acute type B hepatitis (False)
- Explanation: Chronic carriage occurs in 5-10% of adults
- invariably present in a patient with jaundice attributable to type B hepatitis infection (False)
- Explanation: Alternative serological evidence of infection should be sought
- commoner in asymptomatic subjects in the Western rather than the Eastern hemisphere (False)
- Explanation: Carriage rates are highest in the Middle East and Far East
Question 14. The typical features of type B viral hepatitis (HBV) include
- an incubation period of 1 month (False)
- Explanation: Average incubation 3 months
- history of exposure to unsafe sex or drug misuse (True)
- Explanation: Or other exposure to blood or blood products
- prodromal illness with polyrtharalgia (True)
- Explanation: May cause serum sickness
- hepatitic illness more severe than with type A virus (True)
- Explanation: Hepatitis A is usually a mild illness
- absence of progression to chronic hepatitis (False)
- Explanation: And hepatic cirrhosis also occurs
Question 15. In hepatitis C (HCV)
- a chronic carriage rate of > 50% is the rule (True)
- Explanation: With varying degrees of severity
- the infecting agent is an RNA flavivirus (True)
- the disease does not progress to chronic hepatitis (False)
- Explanation: Hepatitis C may progress to chronic disease
- most patients experience the symptoms of acute hepatitis (False)
- Explanation: Most patients are asymptomatic; incubation period is 2-26 weeks
- the virus is responsible for 90% of all post-transfusion hepatitis (True)
- Explanation: Although serological screening methods have greatly reduced this
Question 16. The typical features of acute (fulminant) hepatic failure include
- onset within 8 weeks of the initial illness (True)
- Explanation: Without evidence of pre-existing liver disease
- hepatosplenomegaly and ascites (False)
- Explanation: Suggest chronic liver disease
- encephalopathy and fetor hepaticus (True)
- Explanation: With confusion and asterixis (liver flap)
- nausea, vomiting and renal failure (True)
- Explanation: Renal failure is an ominous development
- cerebral oedema without papilloedema (True)
- Explanation: Occurs late, if at all
Question 17. Typical liver function values in acute hepatic failure include
- hypoalbuminaemia (False)
- Explanation: Serum albumin has a long half-life
- hypoglycaemia (True)
- Explanation: Impaired hepatic gluconeogenesis
- prolonged prothrombin time (True)
- Explanation: Useful in determining prognosis
- serum alkaline phosphatase > 6 times normal (False)
- Explanation: Typically not so elevated, unlike the serum transaminases
- peripheral blood lymphocytosis (False)
- Explanation: May be a polymorphonuclear leucocytosis
Question 18. The clinical features of autoimmune hepatitis include
- an association with autoimmune thyroiditis (True)
- Explanation: Type I autoimmune liver disease is associated with Graves’ disease and Hashimoto’s thyroiditis
- acute onset simulating viral hepatitis in 25% of patients (True)
- Explanation: Occurs in 25% of patients but symptoms and signs then persist
- arthralgia, fever and amenorrhoea (True)
- Explanation: And fatigue, anorexia and jaundice
- spider telangiectasia and hepatosplenomegaly (True)
- Explanation: And other signs of chronic liver disease
- Cushingoid facies, hirsutism and acne (True)
- Explanation: Altered steroid hormone metabolism
Question 19. The typical features of hepatic cirrhosis include
- a small shrunken liver (True)
- Explanation: Liver size reduces as disease progresses
- painful splenomegaly (False)
- Explanation: Painless splenomegaly due to portal hypertension
- peripheral blood macrocytosis (True)
- Explanation: Particularly in alcoholic liver disease
- parotid gland enlargement (True)
- Explanation: Particularly in alcoholic cirrhosis
- central cyanosis (True)
- Explanation: Hepatopulmonary syndrome associated with pulmonary telangiectasia
Question 20. Typical features of hepatic encephalopathy include
- disordered sleep and loss of concentration (True)
- Explanation: Grade 1
- aggressive behaviour and personality change (True)
- Explanation: Grade 2
- yawning and hiccuping (True)
- Explanation: And asterixis (hepatic flap)
- drowsiness and disorientation (True)
- Explanation: Grade 3
- confusion progressing to coma (True)
- Explanation: Grade 4
Question 21. Causes of ascites in the absence of intrahepatic liver disease include
- congestive cardiac failure (True)
- Explanation: Also constrictive pericarditis-transudate
- nephrotic syndrome (True)
- Explanation: Also protein-losing enteropathy-transudate
- peritoneal tuberculosis (True)
- Explanation: Also carcinomatosis-exudate
- lymphatic obstruction (True)
- Explanation: Chylous effusion
- Budd-Chiari syndrome (True)
- Explanation: Transudate associated with hepatic vein occlusion
Question 22. In the management of ascites due to hepatic cirrhosis
- the dietary sodium intake should be restricted to 140 mmol/day (False)
- Explanation: Restriction < 40 mmol/day is usually required
- paracentesis and parenteral albumin replacement improve the survival rate (False)
- Explanation: A palliative, symptomatic measure with no prognostic value
- the daily calorie intake should be restricted to 1500 calories (False)
- Explanation: Calorie restriction is neither required nor desirable
- diuretic therapy should achieve a daily weight loss of at least 2.5 kg (False)
- Explanation: Daily weight loss > 1 kg may precipitate renal impairment and/or encephalopathy
- the protein intake should be at least 40 g/day unless encephalopathy is suspected (True)
- Explanation: Restriction may be necessary to control encephalopathy
Question 23. Causes of portal hypertension include
- alcoholic cirrhosis (True)
- Explanation: Intrahepatic parenchymal
- myeloproliferative disease (True)
- Explanation: Intrahepatic pre-sinusoidal
- hepatic schistosomiasis (True)
- Explanation: Intrahepatic pre-sinusoidal; also sarcoidosis
- abdominal trauma (True)
- Explanation: Extrahepatic pre-sinusoidal (portal vein thrombosis)
- hepatic vein obstruction (Budd-Chiari syndrome) (True)
- Explanation: Extrahepatic post-sinusoidal
Question 24. Complications of portal hypertension include
- variceal haemorrhage (True)
- Explanation: Oesophageal, gastric, stomal and rectal varices
- congestive gastropathy (True)
- Explanation: Associated with hypergastrinaemia
- hepatorenal failure (True)
- Explanation: Associated with reduced renal blood flow
- hepatic encephalopathy (True)
- ascites (True)
- Explanation: And hypersplenism
Question 25. In the management of acute variceal bleeding due to hepatic cirrhosis
- the priority is to restore normovolaemia (True)
- Explanation: Untreated, shock dramatically reduces liver blood flow and liver function
- pharmacological therapy is more effective than variceal banding or sclerotherapy (False)
- Explanation: Local measures stop bleeding in 80% of patients
- somatostatin (octreotide) and vasopressin both reduce portal venous pressure (True)
- Explanation: Constrict splanchnic arterioles; glyceryl trinitrate is given to reduce vasoconstriction
- balloon tamponade is best undertaken after endoscopic confirmation of bleeding varices (True)
- Explanation: Unless the patient is exsanguinating; 20% of patients are bleeding from non-variceal causes
- transjugular intrahepatic portosystemic stent shunting (TIPSS) is contraindicated in hepatic failure (False)
- Explanation: TIPSS is used when local measures fail and has replaced emergency shunt surgery
Question 26. Prevention of recurrent variceal bleeding is achievable using
- somatostatin (octreotide) therapy (False)
- Explanation: Somatostatin may be useful in acute bleeds
- TIPSS (True)
- Explanation: Also used in acute variceal bleeding
- ß-adrenoceptor antagonist (ß-blocker) treatment (True)
- Explanation: ß-blockers reduce portal pressure
- variceal banding (True)
- Explanation: Better than sclerotherapy in the elective situation
- sclerotherapy (True)
- Explanation: Easier than banding in the emergency situation
Question 27. In primary biliary cirrhosis
- middle-aged males are affected predominantly (False)
- Explanation: Middle-aged females
- pruritus is invariably accompanied by jaundice (False)
- Explanation: May precede jaundice by months or years
- osteomalacia and osteoporosis both occur as the disease progresses (True)
- Explanation: Vitamin D malabsorption and hepatic osteodystrophy
- rigors and abdominal pain are presenting features (False)
- Explanation: Suggests obstruction of large bile duct
- smooth muscle antibodies are present in high titres in the serum (False)
- Explanation: High titres of antimitochondrial antibody
Question 28. The typical features of primary haemochromatosis include
- association with an autosomal dominant pattern of inheritance (False)
- Explanation: Inherited as an autosomal recessive gene located on chromosome 6
- male predominance (True)
- Explanation: 90% are males; females may be protected by menstruation and pregnancy
- hepatic cirrhosis and diabetes mellitus (True)
- Explanation: ‘Bronzed diabetes’
- congestive cardiomyopathy (True)
- Explanation: May be a congestive cardiomyopathy
- grey skin pigmentation due to ferritin deposition (False)
- Explanation: Melanin not iron deposition
Question 29. The typical features of Wilson’s disease include
- haemolytic anaemia (True)
- Explanation: Sometimes accompanying an acute hepatitis in children
- acute hepatitis and chronic hepatitis (True)
- Explanation: Or acute hepatic failure or cirrhosis
- parkinsonian syndrome and hepatic cirrhosis (True)
- Explanation: A variety of extrapyramidal syndromes may be seen
- Kayser-Fleischer rings (True)
- Explanation: Kayser-Fleischer rings are an important diagnostic clue
- renal tubular acidosis (True)
- Explanation: Copper is deposited in the liver and kidneys
Question 30. The typical features of alcoholic liver disease include
- microvesicular steatosis (False)
- Explanation: Macrovesicular steatosis is the earliest stage when abstinence will achieve a good prognosis
- acute hepatitis and chronic hepatitis (True)
- Explanation: 33% mortality if liver dysfunction is severe
- hepatic cirrhosis (True)
- Explanation: 50% 5-year survival after the initial presentation if abstinent
- cholestatic jaundice (True)
- Explanation: Often associated with tender hepatomegaly and abdominal pain
- alcohol intake > 30 g/day for > 5 years (True)
- Explanation: Usually associated with at least 50 g/day for at least 10 years
Question 31. The typical features of hepatocellular carcinoma include
- fever, weight loss and abdominal pain (True)
- Explanation: Abdominal pain and a cirrhotic liver suggest hepatoma
- ascites and intra-abdominal bleeding (True)
- Explanation: Tumours are vascular and spread locally
- arterial bruit over the liver (True)
- Explanation: There may also be a hepatic rub
- rising serum a-fetoprotein titre (True)
- Explanation: Rises in 90% of cases
- surgically resectable disease in 50% of patients (False)
- Explanation: Only 10% are suitable for surgery
Question 32. Pyogenic liver abscess is a recognised complication of
- ascending cholangitis (True)
- Explanation: Secondary to biliary obstruction
- Crohn’s disease (True)
- Explanation: Secondary to portal pyaemia
- pancreatitis (True)
- Explanation: Acute pancreatitis
- septicaemia (True)
- Explanation: Infection via hepatic artery
- subphrenic abscess (True)
- Explanation: Direct local spread
Question 33. The typical features of pyogenic liver abscess include
- obstructive jaundice and pruritus (False)
- Explanation: Jaundice is usually mild and not often obstructive
- tender hepatomegaly without splenomegaly (True)
- Explanation: Splenomegaly suggests coexistent pathology
- pleuritic pain and pleural effusion (True)
- Explanation: May be right shoulder tip pain
- multiple abscesses, especially in ascending cholangitis (True)
- Explanation: Single lesions are more common in the right liver
- Escherichia coli, anaerobes and streptococci present in pus (True)
- Explanation: Multiple organisms in one-third of cases
Question 34. Gallstones are a recognised complication of
- obesity (True)
- Explanation: Increased hepatic cholesterol secretion
- pregnancy (True)
- Explanation: Increased hepatic cholesterol secretion and impaired gallbladder motility
- chronic haemolytic anaemia (True)
- Explanation: Pigment stones
- terminal ileal disease (True)
- Explanation: Pigment stones
- rapid weight loss (True)
- Explanation: Increased hepatic cholesterol secretion
Question 35. The typical clinical features of acute cholecystitis include
- jaundice, nausea and vomiting (False)
- Explanation: Jaundice occurs in less than 20% even in the absence of stones (Mirizzi’s syndrome)
- colicky abdominal pain in spasms lasting about 5 minutes (False)
- Explanation: Pain is typically continuous for up to 6 hours
- right hypochondrial tenderness worse on inspiration (True)
- Explanation: Murphy’s sign
- air in the biliary tree on plain radiograph (False)
- Explanation: May follow passage of a gallstone into intestine or biliary surgery
- peripheral blood leucocytosis (True)
- Explanation: May be absent in the elderly
Question 36. The post-cholecystectomy syndrome is characteristically associated with
- patients with previous acalculous cholecystitis (True)
- Explanation: Less common in patients with previous typical biliary colic and gallstones
- females with a history of abdominal pain > 5 years in duration (True)
- Explanation: Associated with the irritable bowel syndrome and functional dyspepsia
- retained stones in the common bile duct (True)
- Explanation: Hence the need to investigate this possibility
- dysfunction of the sphincter of Oddi (False)
- Explanation: This abnormality may not be causal and may in fact result from cholecystectomy
- early postoperative complications (True)
- Explanation: Suggest the possibility of a biliary stricture
- most patients aged < 55 years have an underlying peptic ulcer (False)
- Explanation: Only about 20%; most have reflux dyspepsia or functional dyspepsia
- 25% of duodenal ulcers relapse unless H. pylori has been eradicated (False)
- Explanation: 85% relapse if H. pylori has not been eradicated
- magnesium-containing antacids produce constipation (False)
- Explanation: Cause diarrhoea; aluminium-containing antacids cause constipation
- bismuth compounds should not be used for maintenance therapy (True)
- Explanation: Due to potential accumulation of bismuth, acid-lowering drugs are preferable
- gastric ulcers associated with NSAID therapy are less likely to be associated with H. pylori gastritis than gastric ulcers occurring in patients not taking NSAIDs (True)
- Explanation: 30% of gastric ulcers are not associated with H. pylori (NSAID-induced ulcers)
CHAPTER – 19
Question 1. Peripheral blood lymphocytosis would be an expected finding in
- brucellosis (True)
- Explanation: Often with neutropenia
- pneumococcal pneumonia (False)
- Explanation: Polymorphonuclear leucocytosis
- measles and rubella (True)
- Explanation: Non-specific feature of many viral infections
- Hodgkin’s disease (False)
- Explanation: Non-Hodgkin’s lymphoma
- chronic lymphatic leukaemia (True)
- Explanation: Predominantly small lymphocytes
Question 2. Peripheral blood neutrophil leucocytosis would be an expected finding in
- connective tissue disease (True)
- Explanation: Or may be neutropenia in systemic lupus erythematosus
- corticosteroid therapy (True)
- Explanation: And lithium therapy
- pregnancy (True)
- Explanation: Variable, increases at delivery
- whooping cough (False)
- Explanation: Typically lymphocytosis
- mesenteric infarction (True)
- Explanation: And myocardial infarction
Question 3. Platelets
- have a circulation lifespan of 10 hours in healthy subjects (False)
- Explanation: 10-day lifespan
- are produced and regulated under the control of thrombopoietins (True)
- Explanation: By the megakaryocytes
- contain small nuclear remnants called Howell-Jolly bodies (False)
- Explanation: Found in red blood cells
- decrease in number in response to aspirin therapy (False)
- Explanation: May increase
- release 5-hydroxytryptamine (5-HT, serotonin) and von Willebrand factor (vWF) (True)
- Explanation: 5-HT (delta granules), and vWF and fibrinogen (alpha granules)
Question 4. The following statements about red blood cell morphology are true
- hypochromia is pathognomonic of iron deficiency (False)
- Explanation: Seen in other disorders of haemoglobin synthesis (e.g. thalassaemia)
- polychromasia indicates active production of new red blood cells (True)
- Explanation: Residual ribosomal material is stained faintly
- poikilocytosis is invariably associated with anisocytosis (True)
- Explanation: Sign of dyserythropoiesis
- punctate basophilia is a typical feature of beta-thalassaemia (True)
- Explanation: And lead poisoning
- target cells are associated with hyposplenism and liver disease (True)
- Explanation: And haemoglobinopathies
Question 5. Peripheral blood findings in dietary iron deficiency include
- microcytosis (True)
- Explanation: Microcytosis is the first sign
- ovalocytosis (True)
- Explanation: Sometimes poikilocytosis
- mean corpuscular haemoglobin concentration < 50% of normal (False)
- Explanation: Only in severe anaemia; hypochromia is due to microcytosis
- Howell-Jolly bodies (False)
- Explanation: Suggests hyposplenism
- thrombocytosis (True)
- Explanation: Thrombocytosis occurs even in the absence of bleeding
Question 6. In the treatment of iron deficiency anaemia with iron
- folic acid should also be given if the anaemia is severe (False)
- Explanation: Only if coexistent deficiency demonstrated
- treatment is stopped as soon as haemoglobin normalises (False)
- Explanation: Continue for 3 months to replenish stores
- haemoglobin should rise by 1 g/l every 7-10 days (False)
- Explanation: 10 g/l every 10 days unless there is malabsorption, bleeding or poor compliance
- maximal reticulocyte count usually develops within 1-2 days (False)
- Explanation: Peak reticulocyte count at 7-10 days
- parenteral iron is usually more effective than oral iron (False)
- Explanation: Oral iron is usually effective
Question 7. Hypochromic microcytic anaemia is a recognised finding in
- haemolytic anaemia (False)
- Explanation: Macrocytic with polychromasia
- myelodysplastic syndrome (True)
- Explanation: Typically a dimorphic red cell population
- hypothyroidism (False)
- Explanation: Typically macrocytic
- beta-thalasaemia (True)
- Explanation: And other thalassaemias
- rheumatoid arthritis (True)
- Explanation: Or a normochromic normocytic picture
Question 8. Normocytic normochromic anaemia is an expected feature of
- alcoholic liver disease (False)
- Explanation: Typically macrocytic
- chronic renal failure (True)
- Explanation: Erythropoietin deficiency
- rheumatoid arthritis (True)
- Explanation: Typically macrocytic
- kwashiorkor (True)
- Explanation: Protein-energy malnutrition
- strict vegetarianism (False)
- Explanation: Anaemia is rare in modest reductions of dietary vitamin B12 intake
Question 9. Macrocytic anaemia is a typical finding in
- folic acid deficiency (True)
- Explanation: With megaloblastic marrow
- haemolytic anaemia (True)
- Explanation: With polychromasia
- alcohol misuse (True)
- Explanation: With or without cirrhosis
- primary sideroblastic anaemia (False)
- Explanation: Dimorphic, with microcytic population
- myelodysplastic syndrome (True)
- Explanation: But variable red cell morphology
Question 10. Typical haematological findings in megaloblastic anaemia include
- pancytopenia and oval macrocytosis (True)
- Explanation: Commonly due to vitamin B12 deficiency
- neutrophil leucocyte hypersegmentation (True)
- Explanation: Shift to the right in the nuclear segmentation count (Arneth count)
- anisocytosis and poikilocytosis (True)
- Explanation: And red cell fragmentation
- reticulocytosis and polychromasia (False)
- Explanation: Features of bleeding or haemolysis
- excess urinary urobilinogen and bilirubinuria (False)
- Explanation: Bilirubinuria is not a feature of any anaemia
Question 11. Folate and vitamin B12 deficiency both typically produce
- subacute combined degeneration of the spinal cord (False)
- Explanation: Feature of vitamin B12 deficiency only
- intermittent glossitis and diarrhoea (True)
- Explanation: Glossitis less common in folate deficiency
- mild jaundice and splenomegaly (True)
- Explanation: Mild haemolysis
- peripheral neuropathy (True)
- marked weight loss (True)
- Explanation: Partially dependent on underlying cause
Question 12. Characteristic features of Addisonian pernicious anaemia include
- onset before the age of 20 years (False)
- Explanation: Typically 45-65 years
- gastric parietal cell and intrinsic factor antibodies in the serum (True)
- Explanation: Found in 90% and < 50% respectively
- increased serum bilirubin and lactate dehydrogenase concentrations (True)
- Explanation: Mild haemolysis occurs
- four-fold increase in the risk of developing gastric carcinoma (True)
- Explanation: Associated gastric atrophy
- Schilling test usually reverts to normal with intrinsic factor (True)
- Explanation: Failure to correct suggests terminal ileal disease
Question 13. Causes of folic acid deficiency include
- vegetarian diet (False)
- Explanation: Caused by inadequate vegetable intake
- gluten enteropathy (True)
- Explanation: Characteristic finding
- pregnancy (True)
- Explanation: Increased requirements
- haemolytic anaemia (True)
- Explanation: Increased requirements
- antibiotic therapy (False)
- Explanation: Methotrexate and phenytoin may cause folate deficiency
Question 14. Characteristic features of primary aplastic anaemia include
- peak incidence in the elderly (False)
- Explanation: Peaks about 30 years of age
- normocytic normochromic anaemia with thrombocytosis (False)
- Explanation: Thrombocytopenia
- bone marrow trephine is required to confirm the diagnosis (True)
- Explanation: Diagnosis cannot be made on peripheral blood film alone
- splenomegaly indicating extramedullary erythropoiesis (False)
- Explanation: Splenomegaly occurs in under 10% of cases
- pancytopenia (True)
- Explanation: Typical
Question 15. Typical features suggesting intravascular haemolysis include
- bilirubinuria and haemoglobinuria (False)
- Explanation: Bilirubin is unconjugated therefore not found in urine
- methaemalbuminaemia and haemosiderinuria (True)
- Explanation: The latter always indicating intravascular haemolysis
- increased serum haptoglobin concentration (False)
- Explanation: Decreased serum haptoglobin
- increased plasma haemoglobin concentration (True)
- Explanation: Most is bound to serum haptoglobin
- splenomegaly (True)
- Explanation: Often with reticulocytosis
Question 16. Laboratory features suggesting haemolytic anaemia include
- increased serum lactate dehydrogenase (LDH) concentration (True)
- Explanation: Red cells are rich in LDH
- conjugated hyperbilirubinaemia and bilirubinuria (False)
- Explanation: Unconjugated hyperbilirubinaemia and excess urobilinogen in the urine
- peripheral blood neutrophil leucocytosis (True)
- Explanation: Also red cell abnormalities (e.g. spherocytes)
- peripheral blood polychromasia and macrocytosis (True)
- Explanation: Reflects reticulocytosis
- bone marrow erythroid hyperplasia (True)
- Explanation: With megaloblastic change if folate deficiency is also present
Question 17. Typical features of hereditary spherocytosis include
- splenomegaly (True)
- Explanation: Also pigment gallstones
- intravascular haemolysis (False)
- Explanation: Red blood cell destruction occurs in the spleen
- decreased red blood cell osmotic fragility (False)
- Explanation: Osmotic fragility is increased
- transient aplastic anaemia (True)
- Explanation: Often in association with parvovirus infection
- deficiency of red cell spectrin (True)
- Explanation: Red blood cell membrane protein
Question 18. The typical clinical features of sickle-cell anaemia include
- haemolytic and aplastic crises (True)
- Explanation: Often precipitated by viral infection
- neonatal spherocytic haemolytic anaemia (False)
- Explanation: Not until HbF levels fall after the age of 3 months
- pulmonary, splenic and mesenteric infarcts (True)
- Explanation: Causing pleuritic pain and also renal infarcts
- splenomegaly with hypersplenism (False)
- Explanation: Splenic atrophy and functional hyposplenism
- bone necrosis and osteomyelitis (True)
- Explanation: Painful bone infarcts
Question 19. In patients with sickle-cell disease, acute painful crises are likely to be precipitated by
- high altitude (True)
- Explanation: Decreased PaO2
- pregnancy (True)
- Explanation: May present as pseudo-toxaemia syndrome
- dehydration (True)
- Explanation: Rehydration is an essential component of therapy
- systemic infection (True)
- Explanation: Treat promptly to prevent sickle-cell crises
- hypoxia (True)
Question 20. The typical features of the beta-thalassaemias include
- macrocytic anaemia (False)
- Explanation: Typically hypochromic microcytic anaemia
- hepatosplenomegaly (True)
- Explanation: In the ‘major’ (homozygous) form
- pigment gallstones (True)
- Explanation: Pigment gallstones can be associated with chronic haemolysis
- neonatal haemolytic anaemia (False)
- Explanation: Not until HbF synthesis declines
- bone infarcts (False)
- Explanation: Unlike sickle cell disease
Question 21. The typical features of autoimmune haemolytic anaemia include
- peripheral blood spherocytosis and splenomegaly (True)
- Explanation: Characteristic
- haemoglobinuria and haemosiderinuria (True)
- Explanation: Suggesting intravascular haemolysis
- increased serum haptoglobin concentration (False)
- Explanation: Decreased serum haptoglobin concentration
- positive Coombs test (True)
- Explanation: Warm usually IgG, cold usually IgM
- association with lymphoproliferative disease (True)
- Explanation: Chronic lymphatic leukaemia, lymphoma and also systemic lupus erythematosus
Question 22. The typical features of polycythaemia rubra vera include
- peak prevalence aged > 40 years (True)
- splenomegaly, leucocytosis and thrombocytosis (True)
- Explanation: And elevated red cell mass
- headaches, pruritus and peptic ulcer dyspepsia (True)
- Explanation: But may be asymptomatic
- decreased leucocyte alkaline phosphatase score (False)
- Explanation: A feature of chronic myeloid leukaemia
- increased blood viscosity associated with vascular disease (True)
- Explanation: E.g. increased risk of stroke
Question 23. Acute lymphoblastic leukaemia (ALL)
- has a peak prevalence in patients aged 20-30 years (False)
- Explanation: Peaks in childhood
- typically produces cytoplasmic Auer rods in blast cells (False)
- Explanation: Acute myeloblastic leukaemia (AML)
- has a median survival of 30 months with chemotherapy (True)
- Explanation: AML has a 40% 5-year survival with chemotherapy
- is the most common of all acute leukaemias (False)
- Explanation: AML is four times more common than ALL
- is a typical complication of multiple myeloma (False)
- Explanation: May complicate myelofibrosis
Question 24. Clinical features of chronic myeloid leukaemia (CML) include
- painful splenomegaly (True)
- Explanation: Splenomegaly in 90% of cases
- gout and arthralgia (True)
- Explanation: Hyperuricaemia is often asymptomatic
- generalised lymphadenopathy (False)
- Explanation: Atypical feature
- tendency to bleeding and bruising (True)
- Explanation: Variable platelet dysfunction
- median survival of 15 years with chemotherapy (False)
- Explanation: Median survival 5 years
Question 25. The typical laboratory findings in chronic myeloid leukaemia include
- leucoerythroblastic anaemia and thrombocytosis (True)
- Explanation: Platelet count falls after blast transformation
- peripheral blood neutrophilia, eosinophilia and basophilia (True)
- chromosomal translocation q-22/q+9 (True)
- Explanation: Philadelphia chromosome
- increased neutrophil leucocyte alkaline phosphatase (LAP) score (False)
- Explanation: Usually decreased LAP score
- transformation to acute leukaemia (True)
- Explanation: Transformation results to either ALL (30%) or acute myeloid leukaemia (AML) (70%)
Question 26. Typical features of chronic lymphocytic leukaemia include
- onset in younger patients than in chronic myeloid leukaemia (False)
- Explanation: Peak age 65 years
- development of autoimmune haemolytic anaemia (True)
- Explanation: Typically warm antibody
- presentation with massive hepatosplenomegaly (False)
- Explanation: Mild organomegaly only
- lymphadenopathy associated with recurrent infections (True)
- Explanation: Bacterial more than viral
- median survival of 15 years following chemotherapy (False)
- Explanation: Overall median survival 6 years
Question 27. The typical laboratory features in chronic lymphocytic leukaemia include
- hyperuricaemia and thrombocytosis (False)
- Explanation: Mild thrombocytopenia with urate usually normal
- hypogammaglobulinaemia (True)
- Explanation: Associated with a paraproteinaemia in 5%
- peripheral blood lymphocytosis in the absence of lymphoblasts (True)
- Explanation: Total WCC typically 50-200 × 109/l
- positive Coombs test (True)
- Explanation: May be associated with haemolysis
- transformation to acute leukaemia (False)
- Explanation: Transformation is rare
Question 28. Allogeneic bone marrow transplantation is particularly useful in the treatment of
- multiple myeloma (True)
- Explanation: Also useful in acute myelofibrosis
- severe aplastic anaemia (True)
- alpha-thalassaemia (True)
- Explanation: All severe thalassaemias
- severe combined immunodeficiency disorder (True)
- chronic lymphocytic leukaemia (False)
- Explanation: But useful in most other acute and chronic leukaemias
Question 29. Complications of allogeneic bone marrow transplantation include
- acute graft-versus-host disease (True)
- Explanation: Usually occurs 2-3 weeks after the graft and is associated with infection
- severe infection (True)
- Explanation: A major problem, especially with viruses and atypical microorganisms
- infertility (True)
- Explanation: Important given the age of many of the patients
- pneumonitis (True)
- malignant disease during long-term follow-up (True)
Question 30. The presence of lymphadenopathy and splenomegaly would be expected findings in
- multiple myeloma (False)
- Explanation: Neither is characteristic
- chronic lymphocytic leukaemia (True)
- Explanation: Mild splenomegaly, generalised lymphadenopathy
- chronic myeloid leukaemia (False)
- Explanation: Moderate to massive splenomegaly, no lymphadenopathy
- infectious mononucleosis (True)
- Explanation: Usually both mild
- myelofibrosis (False)
- Explanation: Splenomegaly without lymphadenopathy
Question 31. Recognised clinical features of multiple myeloma include
- peak incidence between the ages of 30 and 50 years (False)
- Explanation: Peak prevalence in males aged 60-70 years
- secondary amyloidosis (True)
- Explanation: Amyloidosis occurs in 10% of cases
- median survival > 10 years with chemotherapy (False)
- Explanation: Median survival of 40 months
- recurrent infections and pancytopenia (True)
- Explanation: Reduction of normal plasma cells causes immunodeficiency
- increased serum calcium, urate and blood urea (True)
- Explanation: All of which may be asymptomatic
Question 32. In differentiating multiple myeloma from a benign monoclonal gammopathy, the following findings would favour the diagnosis of multiple myeloma
- monoclonal gammopathy with normal serum immunoglobulin levels (False)
- Explanation: Myeloma produces suppression of the other serum immunoglobulins
- bone marrow plasmacytosis of > 20% (True)
- Explanation: A diagnostic prerequisite
- bilateral carpal tunnel syndrome (True)
- Explanation: Amyloidosis also causes a restrictive cardiomyopathy
- Bence Jones proteinuria (True)
- Explanation: But the serum paraprotein may be undetectable
- multiple osteolytic lesions on radiograph (True)
- Explanation: Malignant infiltration is typically associated with a normal isotope bone scan
Question 33. The clinical features of Hodgkin’s disease include
- painless cervical lymphadenopathy (True)
- Explanation: Usually painless
- anaemia due to bone marrow involvement (False)
- Explanation: Unlike non-Hodgkin’s lymphoma
- impaired T-cell function in the absence of lymphopenia (True)
- Explanation: Lymphopenia suggests poor prognosis
- fever and weight loss (True)
- Explanation: Stage B
- median survival > 10 years (True)
- Explanation: Dependent on staging at presentation
Question 34. Typical characteristics of non-Hodgkin’s lymphoma include
- low-grade lymphomas rapidly produce symptoms due to high cell proliferation rates (False)
- Explanation: Indolent and often asymptomatic course with low cell proliferation rates
- bone marrow and splenic involvement are present from the onset (True)
- Explanation: Typically extranodal at diagnosis
- isolated involvement of gastric mucosa associated with Helicobacter pylori infection (True)
- Explanation: MALToma may be cured by H. pylori eradication
- the majority are T-cell rather than B-cell in origin (False)
- Explanation: 70% are B-cell tumours
- better prognosis in high-grade rather than low-grade lymphomas (True)
- Explanation: Prognosis is also stage- and age-dependent
Question 35. Recognised causes of thrombocytopenia include
- megaloblastic anaemia (True)
- Explanation: Often with leucopenia
- acquired immunodeficiency syndrome (True)
- Explanation: Primary, or secondary to superimposed infections
- disseminated intravascular coagulation (True)
- Explanation: Increased peripheral consumption of platelets
- von Willebrand’s disease (False)
- Explanation: The platelet count is normal
- aspirin therapy (True)
- Explanation: Also many commonly used drugs including heparin and ß-blockers
Question 36. Typical features of idiopathic thrombocytopenic purpura include
- IgG-mediated thrombocytopenia (True)
- Explanation: Can therefore be transmitted transplacentally
- peak prevalence in patients aged > 60 years old (False)
- Explanation: Usually the young and commoner in females
- prolongation of the bleeding time (True)
- Explanation: Other clotting tests normal
- splenomegaly (False)
- Explanation: Suggests other causes of thrombocytopenia
- prompt response to corticosteroid therapy (True)
- Explanation: Particularly in children
Question 37. The prothrombin time is typically prolonged in
- disorders of the intrinsic pathway (False)
- Explanation: The extrinsic pathway
- factor X deficiency (True)
- Explanation: The Stuart-Prower factor
- factor VII deficiency (True)
- Explanation: First factor in extrinsic pathway
- factor V deficiency (True)
- Explanation: Also affects the activated partial thromboplastin time
- factor XII deficiency (False)
- Explanation: Disorder of the intrinsic pathway
Question 38. The activated partial thromboplastin time (APTT) is typically prolonged in
- disorders of the extrinsic pathway (False)
- Explanation: The intrinsic pathway
- factor VII deficiency (False)
- Explanation: Detected by prothrombin time
- factor VIII or X deficiency (True)
- Explanation: Factor X also influences prothrombin time
- factor XIII deficiency (False)
- Explanation: Specific assay to measure
- factor IX, XI or XII deficiency (True)
- Explanation: Initial factors in the intrinsic system
Question 39. Disseminated intravascular coagulation is a complication of
- amniotic fluid embolism (True)
- Explanation: Initiated by thromboplastin
- incompatible blood transfusion (True)
- Explanation: An unusual complication
- hypovolaemic and anaphylactic shock (True)
- Explanation: Endothelial injury
- septicaemic shock (True)
- Explanation: Exogenous endotoxins
- carcinomatosis (True)
- Explanation: Commonly bronchial carcinoma
Question 40. The bleeding time is characteristically prolonged in
- ascorbic acid deficiency (False)
- Explanation: Bleeding time is normal but petechial haemorrhages may occur
- thrombocytopenia (True)
- Explanation: Irrespective of its cause
- haemophilia (False)
- Explanation: No vessel wall or platelet defect
- warfarin therapy (False)
- von Willebrand’s disease (True)
- Explanation: Secondary decrease in factor VIII level with a qualitative platelet defect
Question 41. The following statements about severe haemophilia A are true
- the disorder is inherited in an X-linked recessive mode (True)
- Explanation: Prenatal diagnosis is possible
- recurrent haemarthroses and haematuria are typical (True)
- Explanation: Usually not apparent until the age of 6 months
- activated partial thromboplastin time and prothrombin time are both prolonged (False)
- Explanation: Only the activated partial thromboplastin time is prolonged
- factor VIII has a biological half-life of about 12 days (False)
- Explanation: Half-life is 12 hours
- desmopressin therapy increases factor VIII concentrations (True)
- Explanation: Desmopressin (DDAVP) therapy is useful to limit exposure to blood products
Question 42. The following statements about von Willebrand’s disease are true
- the disorder is inherited in an X-linked recessive mode (False)
- Explanation: Autosomal dominant-gene locus on chromosome 12
- it is characterised by a prolonged bleeding time (True)
- Explanation: And secondary reduction in factor VIII levels
- the von Willebrand factor (vWF) is synthesised by both platelets and endothelial cells (True)
- vWF is a carrier protein which is bound to factor VIII (True)
- deficiency of vWF is best treated by desmopressin (True)
- Explanation: Desmopressin (DDAVP) therapy increases vWF concentrations
Question 43. Thrombophilia with a predisposition to recurrent venous thromboses is associated with
- the antiphospholipid antibody syndrome (True)
- Explanation: May present with recurrent spontaneous abortion
- antithrombin deficiency (True)
- Explanation: Decreased inactivation of factors IIa, VIIa, IXa, Xa, XIa, causing heparin resistance
- factor V Leiden (True)
- Explanation: Prolonged factor V activation; factor II Leiden increases plasma prothrombin levels
- polycythaemia rubra vera (True)
- Explanation: And chronic myeloid leukaemia-both are associated with thrombocytosis
- protein C deficiency (True)
- Explanation: And protein S deficiency-reduced inactivation of factors Va and VIIIa
Question 44. Indications for warfarin anticoagulation include
- venous thromboembolism (True)
- Explanation: Maintain the prothrombin ratio in the range 2.0-4.0
- arterial embolism (True)
- Explanation: Less effective in non-embolic peripheral vascular disease
- myocardial infarction (False)
- Explanation: Unless associated with mural thrombus
- atrial fibrillation (True)
- Explanation: Reduces the risk of arterial embolism
- mechanical prosthetic heart valves (True)
- Explanation: Reduces the risk of embolic clots and possibly endocarditis
Question 45. The hazards of blood transfusion include
- urticaria (True)
- Explanation: Allergic reaction
- cardiac failure (True)
- Explanation: Volume overload-in patients with previous CCF, give prophylactic diuretic therapy
- development of Rhesus antibodies in a Rhesus-negative patient (True)
- Explanation: Particularly important in women of child-bearing age
- fever (True)
- Explanation: Allergic reaction to one or more of the constituents of the transfusion
- acute intravascular haemolysis (True)
- Explanation: Major ABO incompatibility is the likeliest cause
Question 46. Clinical features suggesting an acute transfusion reaction include
- onset within an hour of starting the transfusion (True)
- Explanation: Delayed haemolytic transfusion reaction occurs 5-7 days after the transfusion
- rigors and fever (True)
- Explanation: Stop the transfusion immediately
- chest and back pain (True)
- sudden loss of consciousness (False)
- Explanation: Unlikely in the absence of other premonitory changes
- development of hypotension and shock (True)
- Explanation: May be problematic in anaesthetised patients
CHAPTER – 20
Question 1. The following diseases are associated with antinuclear and/or rheumatoid factor antibodies
- infective endocarditis (True)
- Explanation: Chronic infections (e.g. tuberculosis, leishmaniasis and schistosomiasis)
- autoimmune thyroiditis (True)
- Explanation: Also found in myasthenia gravis
- Sjögren’s syndrome (True)
- Explanation: And systemic lupus erythematosus, dermatomyositis and progressive systemic sclerosis
- fibrosing alveolitis (True)
- Explanation: And autoimmune hepatitis and sarcoidosis
- ankylosing spondylitis (False)
- Explanation: And, by definition, all the seronegative spondyloarthritides
Question 2. The biochemical features listed below characterise the following metabolic bone disorders
- increased serum calcium, serum phosphate and serum alkaline phosphatase-osteoporosis (False)
- Explanation: All three are normal in osteoporosis
- normal serum calcium and serum phosphate but increased serum alkaline phosphatase-Paget’s disease (True)
- Explanation: Occasionally the serum calcium may be elevated if immobilisation is prolonged
- normal serum calcium and serum alkaline phosphatase but decreased serum phosphate-osteomalacia (False)
- Explanation: All three may be normal (see E)
- decreased serum calcium, serum phosphate and serum alkaline phosphatase-metastatic bone disease (False)
- Explanation: Increased calcium, normal or low phosphate, and high serum alkaline phosphatase
- decreased serum calcium and serum phosphate but increased serum alkaline phosphatase-osteomalacia (True)
- Explanation: But all three may be normal
Question 3. Presentation with acute monoarthritis suggests the possibility of
- crystal arthritis (True)
- Explanation: Gout and pseudogout
- trauma (True)
- Explanation: Trauma usually obvious
- bacterial infection (True)
- rheumatoid arthritis (False)
- Explanation: Usually polyarticular in onset
- enteropathic arthritis (True)
- Explanation: Reactive arthritis following enterically or sexually acquired infection
Question 4. The following statements about infective arthritis are true
- the onset is typically insidious (False)
- Explanation: Onset usually acute, but less so in the elderly or the immunocompromised
- pre-existing arthritis is a recognised predisposing factor (True)
- Explanation: Also occurs after trauma or surgery
- small peripheral joints are involved more often than larger joints (False)
- Explanation: Large joints are most frequently affected
- Haemophilus influenzae is the commonest causative organism in adults (False)
- Explanation: H. influenzae is the main cause in children, streptococci and staphylococci in adults
- joint aspiration should be avoided given the risk of septicaemia (False)
- Explanation: Early joint aspiration is vital if the diagnosis is not to be delayed
Question 5. The following features of backache suggest mechanical or radicular pain rather than inflammatory pain
- radiation of pain down the back of one leg to the ankle (True)
- Explanation: Suggests lumbar nerve root compression
- an elevated C-reactive protein (CRP) (False)
- Explanation: Suggests an active inflammatory pathology
- localised tenderness over the greater sciatic notch (True)
- Explanation: Suggests lumbar nerve root compression
- gradual mode of onset in an elderly patient (False)
- Explanation: Suggests significant pathology even if there are no physical signs
- back pain and stiffness exacerbated by resting (False)
- Explanation: Suggests inflammatory disease
Question 6. The typical findings in fibromyalgia include
- elevation of the ESR (False)
- Explanation: A high ESR suggests another diagnosis
- symptoms of fatigue and an irritable bowel (True)
- Explanation: Typical of most psychosomatic disorders
- coexistent anxiety and depression (True)
- rapid, spontaneous resolution (False)
- Explanation: Often very chronic
- musculoskeletal pain without local tenderness (False)
- Explanation: Multiple tender points are characteristic
Question 7. Shoulder pain is a recognised feature of
- myocardial ischaemia (True)
- Explanation: Either alone or associated with central chest pain
- supraspinatus tendonitis (True)
- Explanation: With characteristic painful arc on shoulder abduction
- bronchial carcinoma (True)
- Explanation: Suggests extra-pleural spread or bony metastases
- pneumococcal pneumonia (True)
- Explanation: Classically due to diaphragmatic irritation secondary to pleurisy
- cervical spondylosis (True)
- Explanation: Due to cervical nerve root compression
Question 8. In a patient with neck pain
- aggravation by sneezing suggests cervical disc prolapse (True)
- Explanation: Disc prolapse may also produce upper or lower limb neurological signs
- radiation to the occiput suggests disease affecting the upper cervical vertebrae (True)
- Explanation: Common in tension headache
- associated bilateral arm paraesthesiae suggest angina pectoris as the most likely diagnosis (False)
- Explanation: Suggest cervical radiculopathy
- and otherwise normal joints, rheumatoid arthritis is excluded as a possible diagnosis (False)
- Explanation: Rheumatoid arthritis typically involves atlantoaxial articulations
- associated drop attacks suggest vertebral artery compression due to cervical spondylosis (True)
Question 9. The clinical features of primary (nodal) osteoarthrosis include
- joint pain aggravated by rest and relieved by activity (False)
- Explanation: More suggestive of an inflammatory arthritis such as rheumatoid arthritis
- proximal interphalangeal and metacarpal-phalangeal joint involvement (False)
- Explanation: Typically distal interphalangeal joint involvement
- involvement of the hip, knee and spinal apophyseal joints (True)
- a strong family history of Heberden’s nodes (True)
- microfractures of subchondral bone (True)
Question 10. Causes of secondary osteoarthritis include
- acromegaly (True)
- septic arthritis (True)
- Explanation: And any joint previously traumatised
- haemochromatosis (True)
- Explanation: Also chondrocalcinosis and Wilson’s disease
- Perthes’ disease (True)
- Explanation: And most hip dysplasias
- Ehlers-Danlos syndrome (True)
- Explanation: Also other causes of hypermobility
Question 11. Criteria for the diagnosis of rheumatoid arthritis include
- morning stiffness lasting more than 1 hour (True)
- Explanation: American Rheumatism Association criteria (1998)
- arthritis in both hip joints (False)
- Explanation: Arthritis affecting three or more joint areas
- the presence of rheumatoid nodules (True)
- Explanation: Pathognomonic
- symmetrical polyarthritis (True)
- Explanation: Diagnosis of RA requires four or more of the criteria
- radiological changes (True)
- Explanation: In significant titres
Question 12. Common extra-articular manifestations of rheumatological disorders include
- episcleritis and keratoconjunctivitis sicca in rheumatoid arthritis (True)
- erythema nodosum in enteropathic arthritis (True)
- enthesitis in ankylosing spondylitis (True)
- Explanation: And Reiter’s disease
- alopecia in systemic lupus erythematosus (True)
- Explanation: Also photosensitive skin rashes
- retinitis pigmentosa in psoriatic arthritis (False)
Question 13. Typical features of active rheumatoid arthritis include
- fever and weight loss (True)
- Explanation: These also occur with minimal joint symptoms, making diagnosis difficult
- macrocytic anaemia (False)
- Explanation: Anaemia is classically normochromic and normocytic
- anterior uveitis (False)
- Explanation: Anterior uveitis is specifically associated with the seronegative spondyloarthritides
- thrombocytopenia (False)
- Explanation: Modest elevation in platelet count is common
- generalised lymphadenopathy (True)
- Explanation: Most obvious in nodes draining actively inflamed joints
Question 14. The typical pattern of synovial disease in rheumatoid arthritis includes
- early involvement of the sacroiliac joints (False)
- Explanation: More suggestive of a seronegative spondyloarthritis such as ankylosing spondylitis
- symmetrical peripheral joint involvement (True)
- Explanation: Characteristic pattern of onset
- spindling of the fingers and broadening of the forefeet (True)
- Explanation: Involvement of the proximal interphalangeal and metatarsophalangeal joints respectively
- distal interphalangeal joint involvement of fingers and toes (False)
- Explanation: More suggestive of osteoarthrosis or psoriatic arthritis
- atlantoaxial joint involvement (True)
- Explanation: Often not obvious clinically but can produce cord compression
Question 15. The following statements about rheumatoid arthritis are true
- joint pain and stiffness are typically aggravated by rest (True)
- Explanation: Early morning stiffness is a characteristic feature of all inflammatory arthritides
- the rheumatoid factor test is positive in about 70% of patients (True)
- Explanation: May be absent at disease onset and is not specific to rheumatoid arthritis
- joint involvement is additive rather than flitting (True)
- Explanation: The usual pattern; in palindromic arthritis flitting episodes are typical
- associated scleromalacia typically produces painful red eyes (False)
- Explanation: Scleromalacia is a painless wasting of the sclera unlike the rarer scleritis
- sicca syndrome suggests the presence of an alternative diagnosis (False)
- Explanation: Common in rheumatoid arthritis
Question 16. The clinical features of Felty's syndrome include
- peak prevalence in the age group 20-30 years (False)
- Explanation: Peak prevalence in the age group 50-70 years
- previous long-standing rheumatoid arthritis (True)
- negative rheumatoid factor test (False)
- Explanation: Positive rheumatoid factor test
- lymphadenopathy and splenomegaly (True)
- Explanation: Characteristic
- recurrent infections and leg ulcers (True)
- Explanation: Characteristic
Question 17. In the treatment of rheumatoid arthritis
- bed rest should be avoided because of bony ankylosis (False)
- Explanation: Bed rest is of great value and without risk of bony ankylosis
- splinting of the affected joints reduces pain and swelling (True)
- Explanation: Reduces joint pain and may reduce contractures
- associated anaemia responds promptly to oral iron therapy (False)
- Explanation: Not usually iron-deficient and reflects disease activity
- systemic corticosteroids are contraindicated (False)
- Explanation: Low-dose steroids may lessen disease progression with only a small risk of side-effects
- non-steroidal anti-inflammatory drugs retard disease progression (False)
- Explanation: Not disease-modifying drugs, unlike gold, penicillamine and immunosuppressants
Question 18. Disease-modifying antirheumatic drugs (DMARD) in rheumatoid arthritis include
- sulfasalazine (True)
- Explanation: 50% of patients respond in 3-6 months
- naproxen (False)
- Explanation: None of the NSAIDs are DMARDs
- D-penicillamine (True)
- Explanation: Benefit may not be apparent for 3 months
- sodium aurothiomalate (True)
- Explanation: Adverse effects are common (e.g. proteinuria and marrow suppression)
- azathioprine (True)
- Explanation: Reserved for life-threatening or unresponsive disease
Question 19. A poorer prognosis in rheumatoid arthritis is associated with
- insidious onset of rheumatoid arthritis (True)
- Explanation: An explosive onset confers a relatively better prognosis
- high titres of rheumatoid factor early in the course of the disease (True)
- Explanation: Especially within 12 months of onset
- early development of subcutaneous nodules and erosive arthritis (True)
- Explanation: Indicates seropositive disease
- extra-articular manifestations (True)
- onset with palindromic rheumatism (False)
- Explanation: The presence of periods of remission is a favourable sign
Question 20. Typical features of seronegative spondyloarthritis include
- asymmetrical oligoarthritis (True)
- Explanation: Axial joints are involved initially; only 10% of cases present with a peripheral arthritis
- involvement of cartilaginous joints (True)
- Explanation: E.g. the sacroiliac joints; involvement is rare in seropositive arthritides
- enthesitis of tendinous insertions (True)
- Explanation: Achilles tendonitis
- scleritis and episcleritis (False)
- Explanation: Typical ocular problem is acute anterior uveitis
- mitral valve disease (False)
- Explanation: An aortitis usually causing aortic regurgitation
Question 21. Features associated with ankylosing spondylitis include
- peak onset in the second and third decades (True)
- subcutaneous nodules (False)
- Explanation: Nodules suggest seropositive arthritis, especially rheumatoid arthritis
- HLA-B27 in at least 90% of affected patients (True)
- Explanation: Identical twins homozygous for HLA-B27 may, however, be discordant for the disease
- faecal carriage of specific Klebsiella species (True)
- Explanation: Klebsiella carry an antigen similar to HLA-B27, suggesting a possible aetiology
- family history of psoriatic arthritis and Reiter’s syndrome (True)
- Explanation: Familial aggregation of overlapping seronegative spondyloarthritides
Question 22. Features suggesting ankylosing spondylitis include
- early morning low back pain radiating to the buttocks (True)
- Explanation: Due to sacroiliitis and sometimes mistaken for lumbar disc disease
- persistence of lumbar lordosis on spinal flexion (True)
- Explanation: Lumbar lordosis may be lost in advanced disease
- chest pain aggravated by breathing (True)
- Explanation: Due to involvement of the costovertebral joints
- ‘squaring’ of the lumbar vertebrae on radiograph (True)
- Explanation: Leading to the ‘bamboo’ spine appearance
- erosions of the symphysis pubis on radiograph (True)
- Explanation: Involvement of cartilaginous joints is a hallmark of the disease
Question 23. In the treatment of ankylosing spondylitis
- systemic corticosteroid therapy is contraindicated (False)
- Explanation: Can be invaluable in acute iritis
- prolonged bed rest accelerates functional recovery (False)
- Explanation: In contrast to rheumatoid arthritis, the patient with ankylosing spondylitis stiffens with bed rest
- spinal radiotherapy modifies the course of the disease (False)
- Explanation: Only to improve symptoms
- spinal deformity is minimised with physiotherapy (True)
- Explanation: Education regarding appropriate back exercises is vital
- hip joint involvement augurs a poorer prognosis (True)
- Explanation: As does extra-articular disease
Question 24. The typical features of reactive arthritis include
- the development of anterior uveitis more often than conjunctivitis (False)
- Explanation: Conjunctivitis is the classical ocular manifestation
- non-specific urethritis and prostatitis (True)
- Explanation: Cause dysuria, frequency and suprapubic discomfort
- symmetrical small joint polyarthritis (False)
- Explanation: Arthritis is asymmetrical, involving large or small joints
- onset 1-3 weeks following bacterial dysentery (True)
- Explanation: Similar delay following sexually acquired infections
- keratoderma blenorrhagica and nail dystrophy (True)
- Explanation: Similar to psoriatic skin and nail disease
Question 25. In Reiter’s disease
- a peripheral blood monocytosis is commonly found (False)
- Explanation: Polymorphonuclear leucocytosis is typical in the acute phase
- sacroiliitis and spondylitis develop in most patients (False)
- Explanation: Occur in only 15% of patients
- Salmonella or Shigella species can be cultured from joint aspirates (False)
- Explanation: Organisms cause the preceding dysenteric illness
- calcaneal spurs are not apparent radiologically (False)
- Explanation: Appear on radiograph as a periostitis
- arthritis resolves within 3-6 months of onset (False)
- Explanation: 10% of patients have chronic active arthritis 20 years after onset
Question 26. Psoriatic arthritis is
- usually preceded by the development of psoriasis (True)
- Explanation: Occasionally there is no evidence of skin disease at onset
- likely to develop in 25% of patients with psoriasis (False)
- Explanation: Occurs in around 7% of patients
- commoner in patients with psoriatic nail changes (True)
- Explanation: Such as pitting and onycholysis
- associated with a poorer prognosis than rheumatoid arthritis (False)
- Explanation: Except for patients with arthritis mutilans
- likely to respond to hydroxychloroquine (False)
- Explanation: Should be avoided due to precipitation of an exfoliative dermatitis
Question 27. Recognised patterns of psoriatic arthritis include
- asymmetrical oligoarthritis of the fingers and toes (True)
- Explanation: Occurs in 40% of patients
- distal interphalangeal joint involvement with nail dystrophy (True)
- Explanation: Occurs in 15% of patients
- sacroiliitis and spondylitis (True)
- Explanation: Develops in 15% of patients-may be indistinguishable from ankylosing spondylitis
- rheumatoid-like symmetrical small joint arthritis (True)
- Explanation: Occurs in 25% of patients
- arthritis mutilans with telescoping of the digits (True)
- Explanation: Occurs in 5% of patients
Question 28. Diseases associated with seronegative spondyloarthritis include
- Sjögren’s syndrome (False)
- Explanation: Either as a primary disorder or in association with some connective tissue diseases
- Whipple’s disease (True)
- Explanation: Rare condition
- coeliac disease (False)
- Explanation: An association between coeliac disease and HLA-B8, DR17 and OQ2 but not HLA-B27
- ulcerative colitis (True)
- Explanation: Arthritis may precede evidence of ulcerative colitis or Crohn’s disease
- Behçet’s disease (True)
- Explanation: Suggested by orogenital ulceration and iritis (more common in Japan)
Question 29. Factors predisposing to hyperuricaemia and gout include
- hypothyroidism (True)
- Explanation: Diminished renal excretion of uric acid
- severe exfoliative psoriasis (True)
- Explanation: Increased purine turnover
- chronic renal failure (True)
- Explanation: Diminished renal excretion of uric acid
- polycythaemia rubra vera (True)
- Explanation: Increased purine turnover
- therapy with loop diuretic agents (True)
- Explanation: Diminished renal excretion of uric acid
Question 30. The clinical features of gout include
- precipitation of an acute attack by allopurinol (True)
- Explanation: Enzyme induction induces an acute attack
- cellulitis, tenosynovitis and bursitis (True)
- Explanation: Non-articular signs may predominate
- the abrupt onset of severe joint pain and tenderness (True)
- Explanation: Onset may be explosively sudden
- serum urate levels fall during an acute attack (False)
- Explanation: Serum urate is usually elevated but may be normal
- loin pain and haematuria (True)
- Explanation: Urate urolithiasis
Question 31. In the treatment of gout
- NSAID therapy increases urinary urate excretion (False)
- Explanation: Uricosuric drugs include probenecid, sulfinpyrazone and the NSAID azapropazone
- salicylates control symptoms and accelerate resolution of the acute attack (False)
- Explanation: Aspirin may worsen an acute attack by reducing renal urate excretion
- allopurinol inhibits xanthine oxidase and hence urate production (True)
- tophi should resolve with control of hyperuricaemia (True)
- allopurinol or probenecid should be given within 24 hours of onset of the acute attack (False)
- Explanation: Delay hypouricaemic therapy unless concomitant colchicine therapy is given
Question 32. In pyrophosphate arthropathy
- calcium pyrophosphate dihydrate crystals are deposited in the synovial cells (False)
- Explanation: Crystals are deposited in articular cartilage then shed into the joint space
- haemochromatosis is a recognised predisposing factor (True)
- the clinical appearances are similar to acute gout (True)
- Explanation: Hence ‘pseudogout’
- the findings on synovial aspiration are indistinguishable from acute gout (False)
- Explanation: Characteristic appearances of calcium pyrophosphate dihydrate (CPPD) crystals under polarising light microscopy
- intra-articular corticosteroid injections are contraindicated (False)
- Explanation: Such injections are often highly effective
Question 33. Osteoporosis is
- usually associated with normal serum calcium, phosphate and alkaline phosphatase (True)
- Explanation: Serum alkaline phosphatase may rise if fractures occur
- more likely to occur if menopause is early (True)
- Explanation: Accelerated bone loss occurs with oestrogen withdrawal
- commonly asymptomatic (True)
- Explanation: Pain only occurs after fracture
- a typical complication of untreated Addison’s disease (False)
- Explanation: Occurs in states of corticosteroid excess
- more common in patients with chronic high alcohol intake (True)
- Explanation: Also associated with cigarette smoking
Question 34. Risk factors for osteoporosis include
- gluten enteropathy (True)
- Explanation: All causes of malabsorption including liver disease
- rheumatoid arthritis (True)
- Explanation: And ankylosing spondylitis
- hyperparathyroidism (True)
- Explanation: Multifactorial
- anorexia nervosa (True)
- Explanation: Multifactorial
- hypogonadism (True)
- Explanation: Improved by androgen replacement therapy
Question 35. Therapies useful in preventing recurrent vertebral fractures in osteoporosis include
- regular exercise (True)
- Explanation: Excessive exercise may be associated with low body weight and osteoporosis
- oral phosphate supplementation (False)
- Explanation: Unless the patient is hypophosphataemic from severe malnutrition
- etidronate (True)
- Explanation: Bisphosphonate therapy is the most effective and best evaluated
- vitamin D and calcium supplementation (True)
- Explanation: But this is less effective than bisphosphonate therapy
- corticosteroid (False)
- Explanation: Causes osteoporosis; androgen and oestrogen therapy are both effective
Question 36. In osteomalacia
- the finding of a proximal myopathy suggests an alternative diagnosis (False)
- Explanation: Characteristic; patients may have difficulty in standing up or in climbing stairs
- bone involvement is characteristically painless (False)
- Explanation: Pain may be generalised and severe
- Chvostek’s sign indicates that the underlying diagnosis may be hyperparathyroidism (False)
- Explanation: Hypocalcaemia increases neuromuscular excitability (latent tetany)
- due to renal disease, 25-hydroxycholecalciferol therapy is recommended (False)
- Explanation: Give 1-a-hydroxycholecalciferol; renal 1-a-hydroxylation is impaired
- pseudofractures on radiograph are pathognomonic (True)
- Explanation: Looser’s zones are translucent bands seen on radiograph
Question 37. Typical features of Paget’s disease of bone include
- onset before the age of 40 years (False)
- Explanation: Onset usually over the age of 60 years
- increased serum alkaline phosphatase and urinary hydroxyproline excretion (True)
- Explanation: Increased bone turnover and osteoblast activity
- presentation with severe bone pain, especially in elderly patients (False)
- Explanation: Insidious asymptomatic progression; with nerve root and spinal cord compression
- delayed healing of fractures (False)
- Explanation: Fractures occur more commonly but usually heal normally
- risk of development of osteogenic sarcoma (True)
- Explanation: Rare complication suggested by bony expansion and localised pain
Question 38. In a male patient with prostate cancer and widespread metastatic bone disease
- osteolytic deposits are characteristic (False)
- Explanation: Prostatic secondaries are typically osteosclerotic
- the plasma parathyroid hormone (PTH) concentration is typically elevated (False)
- Explanation: Serum PTH is usually normal even when the serum calcium is high
- bone pain is invariably present (False)
- Explanation: Asymptomatic disease may be detected coincidentally on radiograph
- the alkaline phosphatase is only elevated if pathological fracture occurs (False)
- Explanation: Serum alkaline phosphatase is frequently elevated due to osteoblast activation
- cyproterone acetate retards progress of the disease (True)
- Explanation: Androgen deprivation therapy is of proven value in prostatic cancer
Question 39. Typical features of systemic lupus erythematosus (SLE) include
- a higher prevalence in Caucasian than in African women (False)
- Explanation: Afro-Caribbean females are particularly susceptible
- onset usually in the fourth and fifth decades (False)
- Explanation: Most commonly in the second and third decades
- impaired function of suppressor T lymphocytes (True)
- Explanation: Associated with polyclonal B lymphocyte activation
- increased prevalence in women compared with men (True)
- Explanation: Genetic factors appear to be of importance in aetiology
- presentation with Raynaud’s phenomenon in young men rather than young women (True)
- Explanation: And in women aged > 30 years
Question 40. Characteristic clinical features of SLE include
- Raynaud’s phenomenon (True)
- Explanation: Not, however, specific to SLE
- alopecia (True)
- Explanation: Occurs in at least 50% of patients
- an erythematous photosensitive facial rash (True)
- Explanation: Characteristic
- absence of renal complications (False)
- Explanation: Renal involvement is not infrequent and heralds a poor prognosis
- neuropsychiatric symptoms (True)
- Explanation: Especially depression and organic psychosis
Question 41. In the management of systemic lupus erythematosus, the following are of proven value
- NSAIDs for renal involvement (False)
- Explanation: NSAIDs may worsen renal function
- corticosteroid therapy for cerebral involvement (True)
- Explanation: High doses are often used initially, then reduced to as low a dose as possible on remission of disease
- plasmapheresis for immune complex disease (True)
- Explanation: Especially when combined with immunosuppressant drugs
- hydroxychloroquine for skin and joint involvement (True)
- Explanation: Beware retinal complications
- long-term corticosteroid therapy during periods of remission to prevent relapse (False)
- Explanation: Little evidence to suggest that this improves the long-term prognosis
Question 42. Recognised features of primary Sjögren’s syndrome include
- an increased incidence of lymphoma (True)
- dryness of the eyes, mouth and vagina (True)
- reduced lacrimal secretion rate (True)
- Explanation: Demonstrable with the Shirmer test
- more males affected than females (False)
- Explanation: More females than males
- a positive IgM rheumatoid factor in over 80% of patients (True)
- Explanation: Not diagnostic of primary Sjögren’s (sicca) syndrome
Question 43. The clinical features of progressive systemic sclerosis include
- presentation with Raynaud’s phenomenon (True)
- Explanation: Raynaud’s may precede other features by years
- reflux oesophagitis and dysphagia (True)
- Explanation: Gastrointestinal tract is involved in most patients
- fibrosing alveolitis (True)
- Explanation: Occurs in the majority of cases
- ulceration, atrophy and subcutaneous calcification of the fingertips (True)
- Explanation: ‘Sausaging’ of the fingers and sclerodactyly are also seen
- anti-DNA antibodies and decreased serum complement levels (False)
- Explanation: ANA only in 50%; anti-DNA antibodies are not seen and complement is normal
Question 44. In polymyositis
- a normal serum creatine kinase does not exclude the diagnosis (True)
- Explanation: Especially common in juvenile myositis
- antinuclear (DNA) antibodies are characteristically absent (True)
- Explanation: Similarly in polyarteritis nodosa
- electromyography is helpful in differentiation from peripheral neuropathy (True)
- underlying malignancy is usually present if weight loss is marked (False)
- Explanation: Weight loss may occur in the absence of malignancy
- an erythematous rash on the knuckles, elbows, knees and face is typical (True)
- Explanation: Cutaneous features suggest dermatomyositis (Gottron’s papules)
Question 45. Features of giant cell arteritis include
- a predominance in females > 60 years of age (True)
- pain in the jaw during eating (True)
- Explanation: Due to claudication of the masseters
- confluent involvement of affected arteries (False)
- Explanation: Histological involvement is characteristically patchy
- difficulty in rising from the seated position (False)
- Explanation: Suggests proximal myopathy
- weight loss with normochromic anaemia and high ESR (True)
Question 46. In polymyalgia rheumatica
- antinuclear and rheumatoid factor antibodies are present in high titre (False)
- Explanation: This finding would suggest an alternative diagnosis
- temporal artery biopsy usually confirms the diagnosis (False)
- Explanation: Biopsy is positive in < 40% of patients
- response to oral corticosteroids typically occurs within 7 days (True)
- Explanation: No such response should prompt a review of the diagnosis
- corticosteroid therapy should be withdrawn after 6 months (False)
- Explanation: Most patients require steroids for a minimum of 2 years
- sudden uniocular blindness suggests steroid-induced cataract (False)
- Explanation: Suggests acute ischaemic optic neuritis due to vasculitis and is a medical emergency
Question 47. The features of classical polyarteritis nodosa include
- increased prevalence in males (True)
- Explanation: Male to female ratio is 2:1
- an association with circulating immune complexes containing hepatitis B virus (True)
- Explanation: HBV markers may only become apparent on follow-up
- involvement of small arteries and arterioles (False)
- Explanation: Systemic vasculitis affecting medium-sized arteries
- multiple peripheral nerve palsies (True)
- Explanation: Due to arteritis of the vasa nervorum
- severe hypertension (True)
- Explanation: Especially in association with renal involvement.
All rights reserved @ similima

Be the first to comment