skip to main content

Warfarin diet counselling — GPhC CRA MCQ

Instant feedback + full explanation. One question, done properly.

EasyCardiovascular TherapeuticsWarfarin diet counsellingGPhC CRA

A patient stable on warfarin asks whether they should stop eating green vegetables because of the vitamin K content. Their recent INR has been in range. What would you advise the patient?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: C — Keep vitamin K intake consistent and avoid sudden major dietary changes

Warfarin control is affected by changes in vitamin K intake, so consistency is preferred over complete avoidance. 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