A primary healthcare provider prescribes 25 mg per kilogram per dose of carmustine to a child with Hodgkin disease. A nurse finds that the child weighs 99 lbs. What dosage of medication should the nurse administer to the child daily?
1125 mg/dose
1237.5 mg/dose
2475 mg/dose
6544.5 mg/dose
The Correct Answer is A
First, we need to convert the weight of the child from pounds to kilograms:. 99 lb / 2.2046 = 44.91 kg (rounded to two decimal places).
Next, we can calculate the dose of carmustine:. 25 mg/kg x 44.91 kg = 1,122.75 mg.
We should always check our calculation and verify that the dose is appropriate and safe for the child. In this case, the dose of 1,122.75 mg seems reasonable for a child with Hodgkin disease..
Since the medication is prescribed daily, the nurse should administer the calculated dose of 1,122.75 mg of carmustine to the child every day.
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Related Questions
Correct Answer is C
Explanation
We need to calculate the patient's BSA using one of the available formulas. The most widely used formula is the Du Bois formula, which is:.
BSA = 0.007184 × W^0.425 × H^0.725.
where W is weight in kg and H is height in cm.. Plugging in the patient's weight and height, we get:. BSA = 0.007184 × 94.5^0.425 × 185^0.725
BSA = 2.15 m².
Now, we can use the physician's order to find the daily dose and the total dose of Platinol for this patient. The daily dose is:.
Daily dose = 20 mg/m²/day × BSA Daily dose = 20 mg/m²/day × 2.15 m² Daily dose = 43 mg/day.
The total dose for 5 days is:.
Total dose = Daily dose × Number of days Total dose = 43 mg/day × 5 days
Total dose = 215 mg.
Therefore, the patient's dose of Platinol would be 215 mg in total, or 43 mg per day for 5 days.
Correct Answer is D
Explanation
To calculate the volume to be administered, divide the ordered dose by the available concentration:
10 mg ÷ 5 mg/mL = 2 mL
The nurse should administer 2 mL of morphine sulfate 5 mg/mL to give a total dose of 10 mg.
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