ATI LPN Pharmacology Exam | Nurselytic

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ATI LPN Pharmacology Exam Questions

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Question 1 of 5

The patient is receiving nitroglycerin 55 mcg/min. Available: Nitroglycerin in 5% Dextrose Injection 25 mg per 250 mL (100 mcg/mL) What is the flow rate?

Correct Answer: D

Rationale:
To determine the flow rate, we need to calculate how many mL of the solution containing 55 mcg/min of nitroglycerin will be delivered in 1 hour. Given 100 mcg/mL concentration in the solution, we can set up a proportion: 55 mcg/min * (1 mL/100 mcg) * (60 min/1 hr) = 33 mL/hr.
Therefore, the correct flow rate is 33 mL/hr. Other choices are incorrect because they do not consider the concentration of nitroglycerin in the solution or use incorrect conversion factors.

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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