Hesi rn dosage calculation d441 proctored exam
Calculation
A child who weighs 40 kg receives a prescription for acetaminophen 15 mg/kg/dose PO every 4 to 6 hours PRN for fever. What is the maximum daily dose the nurse should administer? (Enter the numerical value only)
mg/day
Explanation & Rationale
Given Information: Child's weight: 40 kg Prescribed dose: 15 mg/kg/dose every 4-6 hours PRN for fever Maximum dosing interval: 4 hours (to calculate the maximum daily dose) Calculate the dose per dose Dose per dose = Prescribed dose x Weight Dose per dose = 15 mg/kg/dose x 40 kg = 600 mg/dose Calculate the number of doses per day (assuming the minimum dosing interval of 4 hours) Number of doses per day = 24 hours/day / 4 hours/dose = 6 doses/day Calculate the maximum daily dose Maximum daily dose = Dose per dose x Number of doses per day Maximum daily dose = 600 mg/dose x 6 doses/day = 3600 mg/day
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