Final answer:
The nurse should administer approximately 3.87 ml of cefaclor suspension per dose.
Step-by-step explanation:
To determine the amount of cefaclor suspension the nurse should administer per dose, we need to follow these steps:
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- Calculate the child's weight in kilograms: 48 lb ÷ 2.205 lb/kg = 21.78 kg (rounded to 2 decimal places).
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- Calculate the total daily dose of cefaclor: 40 mg/kg/day × 21.78 kg = 871.20 mg (rounded to 2 decimal places).
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- Divide the total daily dose by the number of doses per day: 871.20 mg ÷ 3 doses/day = 290.40 mg (rounded to 2 decimal places).
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- Convert the dose from milligrams to milliliters using the available concentration: 290.40 mg × (5 ml/375 mg) = 3.87 ml (rounded to 2 decimal places).
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Therefore, the nurse should administer approximately 3.87 ml of cefaclor suspension per dose.