Difficulty: Medium
Average Score: 65%
Simulated
A nurse is caring for a client who has a new diagnosis of deep vein thrombosis and is prescribed warfarin. Which of the following instructions should the nurse include?
Correct answer
A
Rationale
Avoid foods high in vitamin K: Vitamin K can counteract warfarin's anticoagulant effect, and intake should be consistent and limited. Generated rationale: Warfarin's efficacy depends on stable vitamin K levels, making dietary instructions critical to maintain therapeutic anticoagulation.