Pharmacology and the Nursing Process by Linda Lane Lilley: Practice Exam

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What is the therapeutic INR range for Warfarin, depending on the indication?

1 to 2
2 to 3.5
4 to 5
5 to 6

The correct answer is: 2 to 3.5

The therapeutic INR range for Warfarin can vary depending on the indication, but the general guideline is to maintain an INR level between 2 to 3.5. Option A (1 to 2) is too low and can increase the risk of blood clots, while options C (4 to 5) and D (5 to 6) are too high and can increase the risk of bleeding. It is important to regularly monitor and adjust the dose of Warfarin to ensure that the patient's INR remains within the therapeutic range. Option B (2 to 3.5) is the most appropriate and safest range for most patients taking Warfarin.