A client who weighs 91 kg receives a prescription for a continuous infusion of dopamine at 3 mcg/kg/min. The solution is labeled, "Dopamine 400 mg in 5% Dextrose Injection 250 mL." How many mL/hr should the nurse program the infusion pump to deliver?
(Enter numeric value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["10.2"]
- Calculate the dose of dopamine in mcg/min: 3 mcg/kg/min x 91 kg = 273 mcg/min
- Convert the dose to mg/hr: 273 mcg/min x 60 min/hr x 1 mg/1000 mcg = 16.38 mg/hr
- Calculate the infusion rate in mL/hr: 16.38 mg/hr x 250 mL/400 mg = 10.24 mL/hr
- Round to the nearest tenth: 10.2 mL/hr
- Program the infusion pump to deliver 10.2 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["60"]
Explanation
- Calculate the dose of lamivudine in mg: 150 mg x 2 = 300 mg
- Divide the dose by the concentration to get the volume in mL: 300 mg / 10 mg/mL = 30 mL
- Multiply the volume by the number of doses per day to get the total volume in a 24-hour period: 30 mL x 2 = 60 mL
- The nurse should administer 60 mL of lamivudine oral solution in a 24-hour period.
Correct Answer is ["400"]
Explanation
- To calculate the infusion rate, divide the volume by the time: 1000 mL / 2.5 hours = 400 mL/hour
- Set the infusion pump to deliver 400 mL/hour of 0.9% Sodium chloride
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