Nail the 2025 ATI Pharmacology Proctored Practice Exam – Ace Your Way to Pharma Mastery!

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

Heparin

Aspirin

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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Platelets

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