1.Easy
Hepatitis A is mainly spread by:
- ASexual contact only
- BBlood transfusion
- CMosquito bites
- DThe faecal–oral route
2.Easy
What does a peak flow meter measure?
- AThe fastest rate at which a person can blow air out
- BThe total amount of air the lungs can hold
- CThe number of breaths per minute
- DThe oxygen level in the blood during a deep breath
3.Easy
What is the usual normal white cell count in adults?
- AAbout 50–80 × 109/L (50,000–80,000/mm3)
- BAbout 0.1–0.5 × 109/L (100–500/mm3)
- CAbout 4–11 × 109/L (4,000–11,000/mm3)
- DAbout 150–400 × 109/L (150,000–400,000/mm3)
4.Medium
What is the most common cause of hypernatraemia in frail older inpatients?
- ANot drinking enough water
- BTaking too many vitamins
- CEating too much salt in one meal
- DToo much exercise
5.Medium
Which ECG change is typical of hypokalaemia?
- ATall, peaked T waves
- BA very short PR interval with a delta wave
- CFlattened T waves and prominent U waves
- DST elevation in leads II, III and aVF
6.Medium
Which features suggest Cushing's syndrome?
- AWeight loss, heat intolerance, tremor and protruding eyes
- BDark skin, low blood pressure, salt craving and a low blood sodium level
- CCoarse facial features and very large hands and feet
- DWeight gain around the trunk, a rounded face and thin, easily bruised skin
7.Hard
An older patient with delirium is trying to leave the ward at night, saying he must go home. What is the best initial approach?
- AGive a sedative straight away without a prescription
- BLet him leave, because adults can always do as they wish whatever their state
- CPhysically restrain him in bed until the morning so that he cannot fall
- DCalmly reassure and redirect him while the team assesses his capacity and safety
8.Hard
Why should potassium chloride concentrate never be given as a rapid intravenous injection?
- AIt crystallises in the vein and blocks the cannula
- BIt can cause fatal cardiac arrhythmias
- CIt causes immediate kidney failure
- DIt has no effect when given fast
Answer key
- 1. D · The faecal–oral route
- 2. A · The fastest rate at which a person can blow air out
- 3. C · About 4–11 × 109/L (4,000–11,000/mm3)
- 4. A · Not drinking enough water
- 5. C · Flattened T waves and prominent U waves
- 6. D · Weight gain around the trunk, a rounded face and thin, easily bruised skin
- 7. D · Calmly reassure and redirect him while the team assesses his capacity and safety
- 8. B · It can cause fatal cardiac arrhythmias
Full step-by-step solutions: practise this topic on examproblems.com.