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 mL\/hr\u00a0"]
- 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 ["4 tablets every 12 hours for 10 days"]
Explanation
- To calculate the number of tablets, divide the prescribed dose by the available dose.
- Prescribed dose: 2 g amoxicillin + 125 mg clavulanate
- Available dose: 1000 mg amoxicillin + 62.5 mg clavulanate
- Number of tablets = (2 g / 1000 mg) + (125 mg / 62.5 mg)
- Number of tablets = 2 + 2
- Number of tablets = 4
- The nurse should administer 4 tablets every 12 hours for 10 days.
Correct Answer is ["0.5 mL"]
Explanation
To calculate the correct dosage of streptomycin, the nurse needs to use the following formula:
D (desired dose) / H (have dose) x V (volume) = A (amount to administer)
In this case, the desired dose is 200 mg, the dose is 1000 mg (1 gram), and the volume is 2.5 mL. Plugging these values into the formula, we get:
200 / 1000 x 2.5 = 0.5
Therefore, the nurse should administer 0.5 mL of streptomycin every 12 hours.
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