Practice Question
A nurse is caring for a client who has been receiving heparin therapy. Which lab value should the nurse monitor to assess the effectiveness of the heparin therapy?
Answer Choices:
Correct Answer:
Activated partial thromboplastin time (aPTT)
Rationale:
🔷 Heparin therapy is monitored by aPTT because it measures the effectiveness of the intrinsic coagulation pathway, which heparin prolongs.
🔷 The therapeutic aPTT range is typically 1.5 to 2.5 times the normal value to ensure adequate anticoagulation without excessive bleeding.
🔷 INR is used to monitor warfarin, not heparin.
🔷 Platelet count is monitored for heparin-induced thrombocytopenia (HIT), but it does not assess anticoagulation effectiveness.
🔷 Hemoglobin is important for detecting bleeding but does not indicate heparin's therapeutic effect.
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From Exam
Custom NUR 113 SPRING 2025-Reid State Tech Evergreen
29 Questions
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- Category: RN Nursing Exam(s)
- Subcategory: ATI Exam(s)
- Domain: RN ATI MedSurg
- Answer Choices: 4