RN HESI Dosage Calculations II
RN HESI Dosage Calculations II ( 55 Questions)
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Question 25 :
A child who weighs 66 pounds receives a prescription for amoxicillin 80 mg/kg/day by mouth in divided doses every 12 hours. The bottle is labeled, "Amoxicillin for Oral Suspension, USP 400 mg per 5 mL." How many mL should the nurse administer with each dose? (Enter numerical value only.)
Correct Answer: ["15 mL"]
- Calculate the daily dose of amoxicillin for the child: 80 mg/kg/day x 66 pounds / 2.2 pounds/kg = 2400 mg/day
- Divide the daily dose by the number of doses per day: 2400 mg/day / 2 doses/day = 1200 mg/dose
- Convert the dose from mg to mL using the label information: 1200 mg/dose x 5 mL/400 mg = 15 mL/dose
- The nurse should administer 15 mL of amoxicillin with each dose.