The Hematologic System ATI Related

Review The Hematologic System ATI related questions and content

The International Normalized Ratio (INR) was developed for the purpose of

  • A. Monitoring heparin therapy
  • B. Monitoring oral anticoagulant therapy
  • C. Screening for intrinsic clotting system abnormalities
  • D. Standardizing the monitoring of warfarin therapy
Correct Answer: D

Rationale: Rationale:
1. INR standardizes PT results across labs.
2. Warfarin therapy requires close monitoring.
3. INR helps adjust warfarin dose accurately.
4. INR is not specific to heparin, oral anticoagulants, or screening for clotting system abnormalities.
Summary:
A: Heparin is monitored by aPTT.
B: Oral anticoagulant therapy is monitored by INR.
C: Intrinsic clotting abnormalities are not detected by INR.
D: Warfarin therapy monitoring is standardized by INR.