A medication is dosed at 1.5 mg/kg. The patient weighs 8 kg. What is the dose?

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Prepare for the CCBMA Math and Dosage Calculations Test. Enhance your skills with flashcards and multiple choice questions, each offering hints and explanations. Get exam-ready!

Multiple Choice

A medication is dosed at 1.5 mg/kg. The patient weighs 8 kg. What is the dose?

Explanation:
When dosing by mg per kilogram, multiply the dose per kilogram by the patient's weight to get the total dose. Here, 1.5 mg/kg × 8 kg equals 12 mg. So the total dose is 12 mg. If you test the other numbers, they correspond to different per-kilogram doses (for example, 9 mg is 1.125 mg/kg, 11 mg is about 1.375 mg/kg, and 14 mg is 1.75 mg/kg), which don’t match the prescribed 1.5 mg/kg.

When dosing by mg per kilogram, multiply the dose per kilogram by the patient's weight to get the total dose. Here, 1.5 mg/kg × 8 kg equals 12 mg. So the total dose is 12 mg. If you test the other numbers, they correspond to different per-kilogram doses (for example, 9 mg is 1.125 mg/kg, 11 mg is about 1.375 mg/kg, and 14 mg is 1.75 mg/kg), which don’t match the prescribed 1.5 mg/kg.

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