Difficulty: Medium
Average Score: 81%
Full-length
The nurse is teaching a client with atrial fibrillation about the use of Coumadin (warfarin) at home. The need to avoid which of these should be emphasized to the client?
Correct answer
D
Rationale
Foods rich in vitamin K. Vitamin K acts as an antidote to the pharmacologic action of Coumadin therapy, decreasing Coumadin's effectiveness. Foods high in vitamin K include dark greens, tomatoes, bananas, cheese, and fish.