ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
A nurse is preparing to administer acetaminophen 10/mg/kg PO to a preschool child for fever. The child weighs 22 lb . Available is acetaminophen liquid 160mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: C
Rationale: The correct answer is C: 3.1 mL. First, convert the child's weight from lb to kg (22 lb / 2.2 = 10 kg).
Then, calculate the dose of acetaminophen for the child (10 mg/kg x 10 kg = 100 mg). Next, determine how many mL of the liquid acetaminophen will provide 100 mg (100 mg / 160 mg x 5 mL = 3.125 mL). Since we need to round to the nearest tenth, the correct answer is 3.1 mL.
Choice A (31 mL) is incorrect as it is a miscalculation based on misinterpreting the dosage.
Choice B (3 mL) is incorrect as it does not consider the child's weight.
Choice D (3 mg) is incorrect as it is significantly lower than the correct dosage.
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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