ATI RN Pharmacology 2023 retake 1 | Nurselytic

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ATI RN Pharmacology 2023 retake 1 Questions

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Question 1 of 5

A nurse is preparing to administer a scheduled dose of warfarin to a client. Which of the following laboratory tests should the nurse review prior to administration?

Correct Answer: B

Rationale: The correct answer is B: PT. The prothrombin time (PT) measures the time it takes for blood to clot, which is crucial for monitoring warfarin therapy. Warfarin is an anticoagulant that works by inhibiting the clotting factors that rely on vitamin K, thus prolonging the PT. Reviewing the PT prior to administering warfarin ensures that the client's blood is clotting appropriately and helps prevent potential bleeding complications.
Incorrect Answers:
A: PTT - Partial thromboplastin time measures the intrinsic pathway of the clotting cascade and is not specific to warfarin therapy.
C: WBC - White blood cell count is unrelated to warfarin administration.
D:
Total iron-binding capacity - TIBC assesses the body's ability to bind and transport iron, not relevant to warfarin therapy.

Question 2 of 5

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Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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