Practice Question
A nurse is collecting data from a client who is taking warfarin and has an elevated PT/INR. Which of the following medications should the nurse anticipate administering?
Answer Choices:
Correct Answer:
Vitamin K
Rationale:
🔷 Warfarin is an anticoagulant that works by inhibiting vitamin K–dependent clotting factors, which prolongs PT/INR.
🔷 An elevated PT/INR indicates an increased risk of bleeding, and Vitamin K is the specific antidote used to reverse warfarin’s effects.
🔷 Administering vitamin K promotes the synthesis of clotting factors, thereby reducing bleeding risk.
🔷 Protamine is used for heparin overdose, naloxone is an opioid antagonist, and disulfiram is used for alcohol dependence, making them inappropriate for warfarin reversal.
🔷 Careful monitoring of PT/INR levels is required after administration to prevent rebound clotting.
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This question is from Custom~162 Unit V Mental Health Exam-PN which contains 37 questions.
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Question Details
- Category: LPN Nursing Exam(s)
- Subcategory: LPN ATI Exams
- Domain: Mental Health
- Answer Choices: 4