A nurse is preparing to administer methylprednisolone 7 mg/kg/day IM in two divided doses to a school-age child who weighs 64 lb. Available is methylprednisolone 20 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["5.1"]
To calculate the correct dose of methylprednisolone, we need to follow these steps:
-
Convert pounds to kilograms:
- 64 lb * 0.4536 kg/lb = 29 kg
-
Calculate the daily dose in milligrams:
- 7 mg/kg/day * 29 kg = 203 mg/day
-
Calculate the dose per administration:
- Since the medication is divided into two doses, divide the daily dose by 2:
- 203 mg/day / 2 = 101.5 mg/dose
- Since the medication is divided into two doses, divide the daily dose by 2:
-
Determine the volume needed from the available concentration:
- 101.5 mg * (1 mL / 20 mg) = 5.075 mL
Therefore, the nurse should administer 5.1 mL of methylprednisolone per dose.
Answer: 5.1 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3"]
Explanation
The nurse should administer 3 capsules of duloxetine.
Here’s the calculation:
The dosage needed is 120 mg, and each capsule contains 40 mg.
So, to find out how many capsules to administer,
you would divide the dosage needed by the amount in each capsule:
capsule120mg/40mg = 3capsules
Correct Answer is ["201"]
Explanation
Here’s the calculation:
To convert from kilograms to pounds, you multiply the weight in kilograms by 2.20462,
since there are approximately 2.20462 pounds in 1 kilogram. So:
91kg × 2.20462 = 200.62lb
When rounded to the nearest whole number, this becomes 201 lb.
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