A nurse is preparing to administer dextrose 5% in 0.9% sodium chloride 125 mL IV to infuse over 15 min. The nurse should set the IV pump to deliver how many mL/hr? (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 ["500"]
To calculate this, first convert the infusion time from minutes to hours: 15 min * (1 hr / 60 min) = 0.25 hr.
Then, divide the volume of the infusion by the infusion time to find the rate: 125 mL / 0.25 hr = 500 mL/hr.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["11.6"]
Explanation
To calculate this, first convert the child's weight from pounds to kilograms: 64 lb * (1 kg / 2.2 lb) = 29.09 kg. Then, calculate the dose of vancomycin in mg: 20 mg/kg * 29.09 kg = 581.8 mg.
Finally, divide the dose in mg by the concentration of the vancomycin injection to find the volume to administer: 581.8 mg / (50 mg/mL) = 11.636 mL/dose, which rounds to 11.6 mL when rounded to the nearest tenth.
Correct Answer is ["0.24"]
Explanation
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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