NCLEX-RN (Registered Nurse) Practice Exam · Question
A client is receiving warfarin therapy. Which laboratory value should the nurse monitor to assess the effectiveness of the medication?
Warfarin therapy is monitored using the PT and INR to ensure therapeutic anticoagulation and minimize bleeding risk.
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Question: A client is receiving warfarin therapy. Which laboratory value should the nurse monitor to assess the effectiveness of the medication?
Answer options:
- Partial thromboplastin time (PTT) ✅ Prothrombin time (PT) and International Normalized Ratio (INR)
- Platelet count
- Bleeding time
Correct answer: Prothrombin time (PT) and International Normalized Ratio (INR)
Explanation: Warfarin therapy is monitored using the PT and INR to ensure therapeutic anticoagulation and minimize bleeding risk.
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