ATI RN
ATI Med Surg Nurs 200 Exam Questions
Extract:
Question 1 of 5
A nurse is preparing to administer a heparin infusion of 25,000 units in 250 mL of normal saline at a rate of 1000 units per hour for a client diagnosed with a Deep Vein Thrombosis (DVT). The client's initial activated partial thromboplastin time (aPTT) value is 35 seconds. Which laboratory result would indicate that the aPTT is at a therapeutic level?
Correct Answer: D
Rationale: The therapeutic range for aPTT during heparin therapy is 1.5 to 2.5 times the normal value (30-40 seconds), approximately 45-100 seconds. An aPTT of 75 seconds is within this range.
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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