A nurse is reviewing a new prescription for haloperidol 0.15 mg/kg/day IM in divided doses every 8 hr PRN for a child who weighs 40 kg. How many mg should the nurse administer with each dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
To calculate the dosage of haloperidol for the child, first determine the total daily dose by multiplying the child's weight by the prescribed amount per kilogram. For a child weighing 40 kg, this would be 0.15 mg/kg/day * 40 kg, which equals 6 mg/day. Since the medication is to be administered in divided doses every 8 hours, divide the total daily dose by the number of doses per day. There are 24 hours in a day, so with doses every 8 hours, that's 3 doses per day. Therefore, 6 mg/day divided by 3 doses per day equals 2 mg per dose.
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Related Questions
Correct Answer is ["850"]
Explanation
To convert grams to milligrams, the value in grams is multiplied by 1,000. Therefore, to administer magnesium hydroxide 0.85 g PO, the nurse should administer 850 mg. This is because 0.85 grams equals 850 milligrams. When rounding to the nearest whole number, the amount remains 850 mg, as it is already a whole number.
Correct Answer is ["0.5"]
Explanation
To calculate the total milliliters of triamcinolone to administer, you would use the formula: \[Total Volume = (Ordered Dose) / (Concentration)\]. For an ordered dose of 40 mg and a concentration of 80 mg/mL, the calculation would be 40 mg divided by 80 mg/mL, which equals 0.5 mL. Therefore, the nurse should administer 0.5 mL of triamcinolone.
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