For a child weighing 33 lb, what is the prescribed dosage in mg given 2 mg/kg?

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Multiple Choice

For a child weighing 33 lb, what is the prescribed dosage in mg given 2 mg/kg?

Explanation:
Dosing in children is based on weight in mg per kg, so you must convert the child's weight to kilograms and then multiply by the mg/kg dose. Convert 33 lb to kilograms: 33 ÷ 2.2 = 15 kg. At 2 mg per kg, the dose is 15 kg × 2 mg/kg = 30 mg. So the prescribed amount is 30 mg. (If you skip the weight-to-kilogram conversion or misapply the mg/kg, you’d end up with an incorrect dose such as 66 mg or other values.)

Dosing in children is based on weight in mg per kg, so you must convert the child's weight to kilograms and then multiply by the mg/kg dose. Convert 33 lb to kilograms: 33 ÷ 2.2 = 15 kg. At 2 mg per kg, the dose is 15 kg × 2 mg/kg = 30 mg. So the prescribed amount is 30 mg. (If you skip the weight-to-kilogram conversion or misapply the mg/kg, you’d end up with an incorrect dose such as 66 mg or other values.)

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