Difficulty: Medium
Average Score: 92%
Simulated
The client is being admitted with Coumadin (warfarin, an anticoagulant) toxicity. Which laboratory data should the nurse monitor?
Correct answer
C
Rationale
Warfarin toxicity is monitored via INR (C), which reflects bleeding risk. BUN (A) assesses kidneys, bilirubin (B) liver, and PTT (D) is for heparin.