A nurse is preparing to administer 0.45% sodium chloride 1,000 mL IV to infuse over 8 hr. 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 ["125"]
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
To find out how many tablets of prednisone the nurse should administer, we need to convert the prescribed dose from grams to milligrams.
There are 1000 milligrams in 1 gram. Therefore, to convert 0.04 g to mg, we multiply 0.04 by 1000.
This gives us 40 mg. Since each tablet contains 20 mg of prednisone, the nurse should administer 40/20 = 2
tablets. The answer is rounded to the nearest whole number as instructed.
Correct Answer is ["0.48"]
Explanation
To calculate this, first convert the child's weight from pounds to kilograms: 70 lb * (1 kg / 2.2 lb) = 31.82 kg. Then, calculate the total daily dose of ephedrine in mg: 3 mg/kg/day * 31.82 kg/day = 95.45 mg/day.
Since the daily dose is divided into equal doses every 6 hours, calculate the dose per administration: 95.45 mg/day / (24 hr/day / 6 hr/dose) = 23.86 mg/dose.
Finally, divide the dose in mg by the concentration of the ephedrine injection to find the volume to administer: 23.86 mg / (50 mg/mL) = 0.477 mL, which rounds to 0.48mL when rounded to the nearest hundredth.
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