A nurse is preparing to administer cefoxitin 400 mg by intermittent IV bolus over 1 hr to a school-age child. Available is cefoxitin 400 mg in 50 mL dextrose 5% in water. The nurse should ensure the IV pump is set 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 ["50"]
To calculate the IV pump setting, you would use the formula: Volume (mL) over Time (hr) = Rate (mL/hr). In this case, the total volume of the cefoxitin solution is 50 mL, and it needs to be administered over 1 hour. Therefore, the nurse should set the IV pump to deliver 50 mL/hr. When rounding to the nearest whole number, the rate remains 50 mL/hr.
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Naxlex Comprehensive Predictor Exams
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 ["250"]
Explanation
To calculate the infusion rate for an IV pump, you would divide the total volume of the IV fluid to be infused by the number of hours over which the infusion is to run. In this case, 500 mL of dextrose 5% in 0.9% sodium chloride is to be infused over 2 hours. Therefore, the calculation would be 500 mL divided by 2 hours, which equals 250 mL per hour. So, the nurse should set the IV pump to deliver 250 mL/hr.
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