A child who weighs 42 kg receives a prescription for methylprednisolone succinate 1.5 mg/kg/day intravenously in divided doses every 6 hours. The medication is available in 40 mg/mL vials. How many mL should the nurse administer with each dose?
(Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.4"]
To calculate the amount of methylprednisolone succinate that the child needs, we first need to multiply the child's weight by the prescribed dose. This gives us:
42 kg x 1.5 mg/kg/day = 63 mg/day
Since the medication is given in divided doses every 6 hours, we need to divide the daily dose by 4 to get the dose per administration. This gives us:
63 mg/day / 4 = 15.75 mg/dose
To convert the dose from mg to mL, we need to use the concentration of the medication, which is 40 mg/mL. This means that for every 1 mL of solution, there are 40 mg of methylprednisolone succinate. To find out how many mL are equivalent to 15.75 mg, we need to divide the dose by the concentration. This gives us:
15.75 mg / 40 mg/mL = 0.39375 mL
Since we need to round to the nearest tenth, the final answer is:
0.4 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["105"]
Explanation
- Convert the infant's weight from grams to kilograms: 3,500 g / 1,000 = 3.5 kg
- Multiply the prescribed dose by the infant's weight: 30 mg/kg/day x 3.5 kg = 105 mg/day
- The daily dose is 105 mg.
Correct Answer is ["0.8"]
Explanation
To calculate the dose of phenytoin, use the formula: Dose (mL) = (Desired dose x Volume) / Stock dose
- Plug in the values: Dose (mL) = (20 mg x 5 mL) / 125 mg
- Simplify and solve: Dose (mL) = 0.8 mL
- The nurse should administer 0.8 mL of phenytoin suspension every 8 hours.
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