NCLEX RN Exam Practice Practice Question

The nurse is teaching a client about warfarin (Coumadin) therapy. Which food should the client avoid?

Correct Answer: A

Rationale: Spinach is high in vitamin K, which can antagonize warfarin's anticoagulant effect, requiring dietary consistency to maintain therapeutic INR levels.

Unlock All Questions

Subscribe to Premium for full access to all practice questions, detailed rationales, and performance tracking.

Subscribe Now