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General Medicine · Clinical pharmacology
Sample itemWhat is the key danger of prescribing an NSAID to a dehydrated patient with kidney impairment?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Worsening renal perfusion and acute kidney injury
NSAIDs reduce prostaglandin-mediated afferent arteriolar dilation and can worsen renal perfusion, especially during dehydration or pre-existing kidney disease.
Option by option
A. Worsening renal perfusion and acute kidney injury (correct)
Correct: prostaglandin blockade can reduce glomerular perfusion.
B. Correction of severe hypoglycaemia
They do not correct low blood glucose.
C. Guaranteed prevention of ulcers
They may increase rather than prevent ulcer risk.
D. Immediate cure of hypertension
NSAIDs do not cure hypertension.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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