RN Hesi Exit Proctored Exam
Calculation
The healthcare provider prescribes dopamine 2 mcg/kg/min intravenously (IV) for client who weighs 60 kg. The IV bag contains dopamine 200 mg in dextrose 5% in water (DW) 250 mL. The nurse should program the infusion pump to deliver how many mL/hour? (Enter numerical value only.)
mL/hour
Explanation & Rationale
Here are the steps you can follow to calculate the infusion pump flow rate: Step 1: Calculate the prescribed dose in mcg/min Dose per weight: 2 mcg/kg/min * 60 kg = 120 mcg/min Step 2: Convert the concentration in the IV bag to mcg/mL Convert mg to mcg: 200 mg * 1000 mcg/mg = 200,000 mcg Concentration: 200,000 mcg / 250 mL = 800 mcg/mL Step 3: Calculate the flow rate in mL/min Flow rate: 120 mcg/min / 800 mcg/mL = 0.15 mL/min Step 4: Convert the flow rate to mL/hour Hour conversion: 0.15 mL/min * 60 min/hour = 9 mL/hour Therefore, the nurse should program the infusion pump to deliver 9 mL/hour.
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