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DOAC monitoring counselling — GPhC CRA MCQ

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HardPatient Counselling and Pharmaceutical CareDOAC monitoring counsellingGPhC CRA

A patient newly taking warfarin asks whether green vegetables must be eliminated completely. Which counselling supports stable anticoagulation?

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

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Correct answer: B — Keep vitamin-K intake reasonably consistent and attend planned INR checks

Large changes in vitamin-K intake can alter INR, but complete avoidance is unnecessary and nutritionally undesirable. A reasonably consistent diet allows warfarin dose adjustment to a stable pattern; illness, alcohol and new medicines should also be reported.

Reference: BNF: warfarin sodium: https://bnf.nice.org.uk/drugs/warfarin-sodium/