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A nurse is preparing to administer digoxin 8 mcg/kg/day PO to divide equally every 12 hr for a preschooler who weighs 33 lb. Available is digoxin elixir 0.05 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do use a trailing zero.)
Answer Choices:
Correct Answer:
1.2
Rationale:
Convert lb to kg: 33 ÷ 2.2 = 15 kg
Daily dose: 15 × 8 = 120 mcg
Divide for q12h: 120 ÷ 2 = 60 mcg per dose
Convert mcg to mg: 60 mcg = 0.06 mg
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This question is from ATI Dosage Calculation (2) which contains 25 questions.