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The nurse is preparing to administer penicillin V potassium to a child with pneumonia. The child weighs 18.5 kg. The prescription is for 50 mg/kg/day PO divided doses every six hours. How many milligrams should the child receive with each dose? Round your answer to the nearest whole number. Fill in the blank.

Question

The nurse is preparing to administer penicillin V potassium to a child with pneumonia. The child weighs 18.5 kg. The prescription is for 50 mg/kg/day PO divided doses every six hours. How many milligrams should the child receive with each dose? Round your answer to the nearest whole number. Fill in the blank.

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Solution

First, calculate the total daily dosage by multiplying the child's weight by the prescribed dosage per kilogram:

18.5 kg * 50 mg/kg = 925 mg/day

Since the dosage is divided into doses every six hours, this means there are 4 doses in a day (24 hours / 6 hours = 4 doses).

Next, divide the total daily dosage by the number of doses:

925 mg/day ÷ 4 doses = 231.25 mg/dose

Rounding to the nearest whole number, the child should receive 231 mg with each dose.

This problem has been solved

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