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 the child receives with each dose, we need to divide the daily dose by the number of doses per day and then divide by the concentration of the medication.
The daily dose is 1.5 mg/kg/day, the number of doses per day is 4 (every 6 hours), and the concentration of the medication is 40 mg/mL. Therefore, the amount of methylprednisolone succinate is:
(1.5 mg/kg/day x 42 kg) / 4 / 40 mg/mL = 0.39 mL
The nurse should administer 0.4 mL (rounded to the nearest tenth) with each dose.
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Related Questions
Correct Answer is ["1.2"]
Explanation
To find out how many mL of enoxaparin to administer per day, we need to first convert the client's weight from pounds to kilograms, since the prescription is based on kg. To do this, we multiply 132 pounds by 0.454, which gives us 59.928 kg.
Then, we multiply this by the prescribed dose (1 mg/kg) to get the dose per 12 hours, which is 59.928 mg.
Next, we divide this by the concentration of the prefilled syringe (60 mg/0.6 mL) to get the volume to administer per 12 hours, which is 0.59928 mL. We can round this up to 0.6 mL as the answer.
Finally, we multiply this by the number of doses per day (2) to get the total volume to administer per day, which is 1.2 mL as the answer.
Correct Answer is ["10"]
Explanation
To answer this question, we need to convert the weight from pounds to kilograms and use the formula:
Dose in mg = Weight in kg x Dosage in mg/kg
Plugging in the given values, we get:
Dose in mg = (35 / 2.2) x 0.6
Dose in mg = 15.909 x 0.6
Dose in mg = 9.545
Rounding to the nearest whole number, we get:
Dose in mg = 10
Therefore, the nurse should administer 10 mg of dexamethasone.
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