ATI LPN
ATI PN Pharmacology 2020 Questions
Extract:
Question 1 of 5
A nurse is preparing to administer amikacin 5 mg/kg IM to a client who weighs 110 lb. Available is amikacin injection 250 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if applicable. Do not use a trailing zero.)
Correct Answer: A
Rationale:
To calculate the dose of amikacin for a client weighing 110 lb, convert the weight to kg by dividing by 2.2: 110 lb / 2.2 = 50 kg. Next, multiply the weight by the prescribed dose of 5 mg/kg: 50 kg x 5 mg/kg = 250 mg. Since the amikacin injection is 250 mg/mL, the nurse should administer 1 mL (250 mg ÷ 250 mg/mL = 1 mL).
Therefore, choice A (1 mL) is the correct answer.
Choices B-G are incorrect as they do not align with the accurate calculation based on the client's weight and the medication concentration.
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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