Hesi pharmacology proctored exam
Calculation
An adolescent with meningococcal meningitis is receiving a continuous IV infusion of penicillin G, which is prescribed as 20 million units in a total volume of 2 liters of normal saline every 24 hours. The pharmacy delivers 10 million units/liter of normal saline. How many mL/hour should the nurse program the infusion pump? (Enter numeric value only. If rounding is required, round to the nearest whole number.)
mL/hr
Explanation & Rationale
Calculation: Total volume to infuse and convert to milliliters (mL). Total volume = 2 liters = 2 liters x 1000 mL/liter = 2000 mL. Infusion time = 24 hours. Calculate the infusion rate in milliliters per hour (mL/hr). Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hr) = 2000 mL / 24 hr = 83.333... mL/hr. Round to the nearest whole number = 83 mL/hr.
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