A 28 kg child receives 6 mg/kg/day divided into two doses. What is per-dose mg?

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Study for the Archer Pharmacology Test to master dosage calculations and medication administration. Use flashcards and multiple choice questions with detailed explanations. Get ready for your exam!

Multiple Choice

A 28 kg child receives 6 mg/kg/day divided into two doses. What is per-dose mg?

Explanation:
When dosing by mg/kg per day split into multiple doses, calculate the total daily amount first, then divide by the number of doses. For this child, 28 kg × 6 mg/kg/day = 168 mg per day. Since it’s given in two doses, each dose is 168 ÷ 2 = 84 mg. A quick check helps confirm: 84 mg ÷ 28 kg = 3 mg/kg per dose, and two doses yield 6 mg/kg/day, matching the prescription.

When dosing by mg/kg per day split into multiple doses, calculate the total daily amount first, then divide by the number of doses. For this child, 28 kg × 6 mg/kg/day = 168 mg per day. Since it’s given in two doses, each dose is 168 ÷ 2 = 84 mg. A quick check helps confirm: 84 mg ÷ 28 kg = 3 mg/kg per dose, and two doses yield 6 mg/kg/day, matching the prescription.

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