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 mL\u00a0"]
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 ["1 mL"]
Explanation
- Convert pounds to kilograms: 176 / 2.2 = 80 kg
- Calculate the dose in mg: 0.05 x 80 = 4 mg
- Calculate the volume in mL: 4 / 4 = 1 mL
- The nurse should administer 1 mL of lorazepam
Correct Answer is ["270 mL\u00a0"]
Explanation
- Calculate the volume infused in 2 hours: 85 mL/hour x 2 hours = 170 mL
- Subtract the volume infused from the total volume: 440 mL - 170 mL = 270 mL
- The remaining volume to be infused is 270 mL
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