1.Easy
What is the lowest possible score on the Glasgow Coma Scale?
- A1
- B3
- C0
- D5
2.Easy
Which isolation precautions are used for a patient with suspected meningococcal meningitis?
- ADroplet precautions until about 24 hours of effective antibiotics
- BAirborne precautions in a negative pressure room for 2 weeks
- CNo extra precautions, because it is not infectious
- DContact precautions only, with gloves for skin contact
3.Easy
Which cranial nerve makes the pupil constrict in response to light?
- AAbducens nerve (VI)
- BTrochlear nerve (IV)
- COptic nerve (II) alone
- DOculomotor nerve (III)
4.Medium
Why is metformin usually withheld during acute kidney injury or around iodinated contrast in at-risk patients?
- AIt blocks the contrast so the scan cannot be read
- BIt can accumulate and raise the risk of lactic acidosis
- CIt causes severe hypoglycaemia when given together with contrast
- DIt causes hyperkalaemia when the kidneys are injured
5.Medium
A patient with type 1 diabetes plans a long cycle ride. Which advice is most appropriate?
- ACheck glucose before and after, and carry fast-acting carbohydrate
- BSkip breakfast so the exercise burns body fat
- CTake an extra dose of rapid-acting insulin before setting off
- DAvoid checking glucose until the ride is over
6.Medium
A patient on ciclosporin or tacrolimus asks about grapefruit juice. Which advice is correct?
- ADrink it with each dose to improve the absorption
- BIt has no effect on these drugs
- CAvoid it, because it can raise the drug levels
- DDrink it daily to protect the kidney
7.Hard
A patient with SIADH needs IV fluid. Which fluid is most likely to worsen the hyponatraemia?
- A20% human albumin
- B5% glucose (dextrose, D5W)
- C8.4% sodium bicarbonate
- D3% saline
8.Hard
An older patient with type 2 diabetes has glucose 48 mmol/L, osmolality 365 mOsm/kg, no significant ketones and confusion. What is the first priority?
- AOral glucose to prevent hypoglycaemia during treatment
- BCareful IV fluids with close checks of osmolality, sodium and glucose
- CStrict fluid restriction to avoid cerebral oedema
- DA large IV insulin bolus to bring glucose to normal within an hour
Answer key
- 1. B · 3
- 2. A · Droplet precautions until about 24 hours of effective antibiotics
- 3. D · Oculomotor nerve (III)
- 4. B · It can accumulate and raise the risk of lactic acidosis
- 5. A · Check glucose before and after, and carry fast-acting carbohydrate
- 6. C · Avoid it, because it can raise the drug levels
- 7. B · 5% glucose (dextrose, D5W)
- 8. B · Careful IV fluids with close checks of osmolality, sodium and glucose
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