A nurse is preparing to administer clindamycin phosphate IM 15 mg/kg/day divided in equal doses every 6 hr to an infant who weighs 21 lb. Available is clindamycin phosphate injection 150 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest hundredth. Use a leading zero if applicable. Do not use a trailing zero.)
The Correct Answer is ["0.24"]
To calculate this, first convert the infant's weight from pounds to kilograms: 21 lb * (1 kg / 2.2 lb) = 9.55 kg.
Then, calculate the total daily dose of clindamycin phosphate in mg: 15 mg/kg/day * 9.55 kg/day = 143.25 mg/day.
Since the daily dose is divided into equal doses every 6 hours, calculate the dose per administration: 143.25 mg/day / (24 hr/day / 6 hr/dose) = 35.81 mg/dose.
Finally, divide the dose in mg by the concentration of the clindamycin phosphate injection to find the volume to administer: 35.81 mg / (150 mg/mL) = 0.2387 mL/dose, which rounds to 0.24 mL when rounded to the nearest hundredth.
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Related Questions
Correct Answer is ["133"]
Explanation
To calculate this, divide the volume of the infusion by the infusion time to find the rate: 800 mL / 6 hr =
133.33 mL/hr, which rounds to 133 mL/hr when rounded to the nearest whole number.
Correct Answer is ["125"]
Explanation
To find out how many mL/hr the IV pump should be set to deliver, we need to divide the total volume of the infusion by the infusion time in hours.
If 1,000 mL of 0.45% sodium chloride is to be infused over 8 hours, then the rate of infusion is 1,000/8 = 125 mL/hr.
The answer is rounded to the nearest whole number as instructed.
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