Pharmacology Proctored ATI Practice Exam

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Prepare for the Pharmacology Proctored ATI Exam with confidence. This comprehensive quiz helps you reinforce your knowledge through multiple-choice questions and explanatory hints to help you understand key pharmacological principles. Start your preparation today!

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What should the nurse prepare to administer for a client on warfarin therapy with an INR of 5.2?

  1. Heparin

  2. Aspirin

  3. Vitamin K

  4. Platelets

The correct answer is: Vitamin K

Warfarin is a blood-thinning medication that works by decreasing the production of certain clotting factors in the body. An INR of 5.2 indicates that the client has an elevated risk of bleeding, and therefore needs to be given vitamin K to reverse the effects of the warfarin. Heparin and aspirin are not appropriate options as they do not reverse the effects of warfarin and may increase the risk of bleeding. Platelets are also not indicated as they only help with clot formation and do not reverse the effects of warfarin. Vitamin K is the only appropriate option for this client.

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