The healthcare provider prescribes a continuous infusion of labetalol at 2 mg/minute. Labetalol HCI Injection USP 200 mg in 200 mL of 5% Dextrose Injection, USP, is delivered to the unit. How many mL/hour should the nurse program the infusion pump?
(Enter numerical value only.)
The Correct Answer is ["120"]
The healthcare provider prescribes a continuous infusion of labetalol at 2 mg/minute.
Labetalol HCI Injection USP 200 mg in 200 mL of 5% Dextrose Injection, USP, is delivered to the unit. This means that for every mL of the solution, there is 1 mg of labetalol (200 mg / 200 mL = 1 mg/mL).
To administer a dose of 2 mg/minute, the nurse should program the infusion pump to deliver 120 mL/hour (2 mg/minute × 60 minutes/hour = 120 mg/hour; 120 mg/hour ÷ 1 mg/mL = 120 mL/hour).
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["20"]
Explanation
The client is currently receiving an infusion labeled as 5% Dextrose Injection 500 mL with heparin sodium 25,000 Units. The concentration of heparin in the IV solution is 50 units/mL (25,000 units / 500 mL).
A prescription is received to change the rate of the infusion to heparin 1,000 units/hour.
Since the concentration of heparin in the IV solution is 50 units/mL, the nurse should program the infusion pump to deliver 20 mL/hour of the IV solution (1,000 units/hour / 50 units/mL).
Correct Answer is ["2.5"]
Explanation
The client weighs 172 pounds which is equivalent to 78.02 kg (1 kg = 2.20462 pounds).
The prescription for levothyroxine is 1.6 mcg/kg/day, so the client should receive 124.83 mcg of levothyroxine per day (1.6 mcg/kg/day * 78.02 kg).
The medication is available in 50 mcg scored tablets, so the nurse should administer 2.5 tablets per day (124.83 mcg / 50 mcg/tablet).
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