A patient weighs 15 kg; the prescribed dose is 10 mg per kilogram per day. How many milligrams are needed per day?

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Multiple Choice

A patient weighs 15 kg; the prescribed dose is 10 mg per kilogram per day. How many milligrams are needed per day?

Explanation:
When a dose is given per kilogram per day, you multiply the patient’s weight in kilograms by the dose per kilogram to get the total daily dose in milligrams. So, 15 kg × 10 mg/kg/day = 150 mg/day. This matches the prescribed 10 mg per kilogram per day for a 15 kg patient. Other amounts would correspond to different per-kilogram doses: 100 mg/day would be about 6.7 mg/kg/day, 200 mg/day would be about 13.3 mg/kg/day, and 75 mg/day would be about 5 mg/kg/day.

When a dose is given per kilogram per day, you multiply the patient’s weight in kilograms by the dose per kilogram to get the total daily dose in milligrams.

So, 15 kg × 10 mg/kg/day = 150 mg/day. This matches the prescribed 10 mg per kilogram per day for a 15 kg patient.

Other amounts would correspond to different per-kilogram doses: 100 mg/day would be about 6.7 mg/kg/day, 200 mg/day would be about 13.3 mg/kg/day, and 75 mg/day would be about 5 mg/kg/day.

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