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Practice Question

A nurse is preparing to administer dicloxacillin 6.25 mg/kg PO to a child who weighs 14 lb. Available is dicloxacillin 62.5 mg/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.)

Answer Choices:

Correct Answer:

3.2

Rationale:

🖍️ Use the formulas:

Weight (kg) = Weight (lb) ÷ 2.2

Volume = Dose ordered (mg) ÷ Dose available (mg/mL)

✏️ Weight = 14 lb → 14÷2.2=6.36 kg

✏️ Ordered dose = 6.25×6.36=39.75 mg

✏️ Available = 62.5 mg/5 mL → 12.5 mg/mL

⫸ Calculation:

39.75 ÷ 12.5

☑️ = 3.2 mL

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This question is from ATI PN Dosage Calculation-Fundamentals Proctored assessment 3.1 which contains 35 questions.

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ATI PN Dosage Calculation-Fundamentals Proctored assessment 3.1

35 Questions

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Question Details
  • Category: LPN Nursing Exam(s)
  • Subcategory: LPN ATI Exams
  • Domain: Fundamentals of Nursing
  • Answer Choices: 1
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