A client is currently receiving an infusion labeled as 5% Dextrose Injection 500 mL with heparin sodium 25,000 Units at a rate of 14 mL/hour. A prescription is received to change the rate of the infusion to heparin 1,000 units/hour. How many mL/hour should the nurse program the infusion pump?
(Enter numeric value only.)
The Correct Answer is ["20"]
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).
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Related Questions
Correct Answer is ["0.6"]
Explanation
To calculate the volume of medication to administer, we can use the following formula: Volume = Dose / Concentration
In this case, the dose is 75 Units/kg and the client weighs 80 kg. We can calculate the total dose as follows: 75 Units/kg x 80 kg = 6000 Units
The medication is available in a 10,000 Units/mL vial. We can calculate the volume required as follows: 6000 Units / 10,000 Units/mL = 0.6 mL

Correct Answer is ["4.7"]
Explanation
The healthcare provider prescribes ampicillin 140 mg intravenously (IV) every 8 hours for a child with meningitis.
The vial is labeled "ampicillin 250 mg for intravenous (IV) use" and requires reconstitution with 83 mL of sterile normal saline for injection to yield a total solution concentration of 30 mg/mL.
This means that for every mL of the solution, there is 30 mg of ampicillin.
To administer a dose of 140 mg, the nurse should give the child 4.7 mL of the solution (140 mg ÷ 30 mg/mL = 4.7 mL).
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