ACE inhibitor in diabetes monitoring — GPhC CRA MCQ
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Correct answer: C — Serum creatinine, estimated glomerular filtration rate and potassium
Renin-angiotensin system blockers can alter renal function and potassium. The best answer addresses the key safety, legal or pharmaceutical care issue in the vignette. The other options would either delay appropriate care, create a new risk, or fail to resolve the issue. This is consistent with the cited UK reference for safe pharmacy practice.
Reference: BNF; NICE CKS