Difficulty: Medium
Average Score: 88%
Simulated
A nurse is caring for a client who is receiving warfarin therapy to prevent deep vein thrombosis. Which of the following medications should the nurse have available in the event of an overdose?
Correct answer
B
Rationale
Vitamin K reverses warfarin overdose by restoring clotting factors (II, VII, IX, X), countering its anticoagulant effect. Epinephrine (A) treats anaphylaxis, atropine (C) bradycardia, and protamine (D) heparinÔÇönot warfarin. Vitamin K is the specific antidote.