RN Physiological Integrity Reduction of Risk Potential Related

Review RN Physiological Integrity Reduction of Risk Potential related questions and content

The nurse is caring for a client receiving warfarin therapy for atrial fibrillation. Laboratory results show an INR of 3.9. The nurse would expect which order from the health care provider?

  • A. an order to increase the warfarin dose
  • B. an order to decrease the warfarin dose
  • C. an order for protamine sulfate
  • D. no new order; the INR is therapeutic
Correct Answer: B

Rationale: INR 3.9 is above the therapeutic range (2-3 for atrial fibrillation), requiring a dose decrease (B). Protamine sulfate (C) is for heparin reversal.