ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
A nurse is preparing to administer hydrocodone/acetaminophen 5 mg PO every 6 hr for pain. The amount available is hydrocodone/acetaminophen 7.5 mg/500 mg/15 mL elixir. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero. )
Correct Answer: D
Rationale:
To determine the amount of elixir to administer, we need to set up a proportion using the ratio of available medication to prescribed dose.
Given:
Hydrocodone/acetaminophen 7.5 mg/500 mg/15 mL = 5 mg/1 dose = x mL
Cross multiply:
7.5 mg * x mL = 5 mg * 15 mL
7.5x = 75
x = 75 / 7.5
x = 10 mL
Therefore, the nurse should administer 10 mL of the elixir.
Choice A (1.0 mL) is incorrect as it is too small for the prescribed dose.
Choice B (5 mL) is incorrect as it does not match the calculated amount.
Choice C (15 mL) is incorrect as it does not consider the concentration of the medication.
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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