NCLEX-PN
Cardiac Disorders NCLEX Questions Questions
Extract:
Question 1 of 5
Which prothrombin time value would be considered normal for a client who is receiving warfarin (Coumadin)?
Correct Answer: B
Rationale: For a client receiving warfarin, the prothrombin time should be 1.5 to 2 times the normal value (11 to 12.5 seconds). Twenty seconds falls within this therapeutic range. Twelve seconds is normal for someone not on warfarin. Sixty seconds is normal for a partial thromboplastin time (PTT) test, and 98 seconds would be therapeutic for heparin, not warfarin.
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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