A nurse is preparing to administer methy prednisolone 7 mg/kg/day IM in two divided doses to a school-age child who weighs 64 lb. Available is methyiprednisolone 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"]
First, convert the child's weight from pounds to kilograms: 64 lb / 2.205 lb/kg = 29.02 kg
Calculate the total daily dose of methylprednisolone needed: 7 mg/kg x 29.02 kg = 203.14 mg
Calculate the dose per administration: 203.14 mg / 2 = 101.57 mg
Calculate the volume of methylprednisolone to administer per dose: 101.57 mg / 20 mg/mL = 5.0785 mL
Round to the nearest tenth: 5.0785 mL rounded to the nearest tenth is 5.1 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.6"]
Explanation
Determine the desired dosage:
The nurse needs to administer 480 mcg of filgrastim.
Determine the volume per dose:
The filgrastim injection contains 300 mcg per 1 mL.
The nurse needs to administer 480 mcg per dose.
To find the volume per dose:
300 mcg / 1 mL = 480 mcg / x mL
Cross-multiplying gives us:
300x = 480
Dividing both sides by 300, we get:
x = 1.6 mL
Correct Answer is ["15"]
Explanation
Step-by-step calculation:
Convert weight to kilograms:
66 lb ÷ 2.2 = 30 kg
Calculate total dose in mg:
25mg/kg × 30 kg = 750 mg
Calculate volume to administer using concentration 50 mg/mL:
750 mg÷50 mg/mL=15 mL.
Round to nearest tenth → 15.0 → per instructions omit trailing zero → 15 mL.
Answer: 15 mL.
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