RN HESI Exit Exam Capstone Related

Review RN HESI Exit Exam Capstone related questions and content

Prior to administering warfarin to a client with a history of atrial fibrillation, what lab result should the nurse review?

  • A. White blood cell count.
  • B. Prothrombin time (PT) and International Normalized Ratio (INR).
  • C. Hemoglobin and hematocrit.
  • D. Blood urea nitrogen (BUN) and creatinine.
Correct Answer: B

Rationale: The correct answer is B: Prothrombin time (PT) and International Normalized Ratio (INR). These lab values are crucial for monitoring the effectiveness of warfarin, an anticoagulant medication. PT measures the time it takes for blood to clot, while INR standardizes these results. Ensuring the client's PT/INR levels are within the therapeutic range is essential to prevent clotting or excessive bleeding. Choices A, C, and D are incorrect as they are not directly related to monitoring warfarin therapy in a client with atrial fibrillation.