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NABP Exam NAPLEX Topic 6 Question 103 Discussion

Actual exam question for NABP's NAPLEX exam
Question #: 103
Topic #: 6
[All NAPLEX Questions]

An order is received for 0.03 units /min of vasopressin for Sepsis to maintain MAP >65. The standard mixed in your hospital for vasopressin is 40 units in 100ml NS.

What is the rate in mLs/hr should the vasopressin be infused at?

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Suggested Answer: C

Rate of infusion: 100mL/40U 0.03U/min 60min/1 hr = 4.5mL/hr


by Lucille at Mar 21, 2025, 11:49 AM

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Shoshana
1 days ago
Easy peasy, the answer is B) 4.9ml/hr. Just plug in the numbers and do the math, it's not rocket science!
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Theola
2 days ago
I'm not sure, but I think the answer might be C) 4.5 ml/hr. Can someone explain their reasoning?
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Willard
10 days ago
I agree with Lelia, because 0.03 units/min x 60 min/hr = 1.8 units/hr. And 1.8 units/hr / 40 units/100ml = 0.045 ml/hr. So, the answer is A) 4.0 ml/hr.
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Isaac
15 days ago
Hmm, I'm not sure about this one. Maybe it's C) 4.5ml/hr? I'll have to double-check the calculation.
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Shenika
20 days ago
I think the correct answer is B) 4.9ml/hr. The question gives the rate of vasopressin needed as 0.03 units/min, and the standard mix is 40 units in 100ml. So, we need to calculate the rate in ml/hr to deliver 0.03 units/min.
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Lelia
22 days ago
I think the answer is A) 4.0 ml/hr.
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