1.Easy
Which head injury is classically linked to a lucid interval after a blow to the side of the head?
- AChronic subdural haematoma
- BConcussion
- CExtradural haematoma
- DDiffuse axonal injury
2.Easy
In countries with enough iodine in the diet, what is the most common cause of hypothyroidism?
- AToo much iodine in salt
- BAutoimmune thyroiditis (Hashimoto's)
- CThyroid cancer
- DA pituitary tumour pressing on the gland
3.Easy
What is the most common type of kidney stone?
- AStruvite
- BCalcium oxalate
- CCystine
- DUric acid
4.Medium
In the first trimester of pregnancy, why is propylthiouracil often preferred to carbimazole for hyperthyroidism?
- APropylthiouracil has no side effects at all
- BCarbimazole cannot cross into the mother's blood
- CPropylthiouracil works faster than any other drug
- DCarbimazole has a higher risk of birth defects early on
5.Medium
Which complication is a particular risk in nephrotic syndrome?
- AVenous thrombosis
- BHypoglycaemia
- CBleeding from low platelets
- DLow cholesterol
6.Medium
A bladder scan straight after voiding shows 450 mL of urine still in the bladder. What does this show?
- AThe patient has drunk too little fluid
- BThe kidneys are making too little urine
- CThe bladder is not emptying properly
- DThe patient is passing urine normally
7.Hard
A patient with a brain tumour on high-dose dexamethasone has a capillary glucose of 16 mmol/L (288 mg/dL). They have no history of diabetes. What is the best explanation?
- ANormal for this patient, so no action is needed
- BSteroid-induced hyperglycaemia, which needs monitoring and treatment
- CA lab error, because steroids lower blood glucose
- DA sign that the brain tumour has now spread to the pancreas
8.Hard
After surgery, a patient with Graves' disease has a temperature of 39.8 °C, a heart rate of 160/min, agitation and vomiting. Which treatment set is most appropriate?
- ALevothyroxine and warm blankets to settle the shivering
- BFluid restriction and a loop diuretic to treat the tachycardia
- CCooling, a beta-blocker, an antithyroid drug, then iodine and steroids
- DAspirin for the fever and a review by the GP within a week
Answer key
- 1. C · Extradural haematoma
- 2. B · Autoimmune thyroiditis (Hashimoto's)
- 3. B · Calcium oxalate
- 4. D · Carbimazole has a higher risk of birth defects early on
- 5. A · Venous thrombosis
- 6. C · The bladder is not emptying properly
- 7. B · Steroid-induced hyperglycaemia, which needs monitoring and treatment
- 8. C · Cooling, a beta-blocker, an antithyroid drug, then iodine and steroids
Full step-by-step solutions: practise this topic on examproblems.com.