A client with pneumonia is receiving a secondary infusion of azithromycin 500 mg in 250 mL of normal saline (NS) to be infused in 90 minutes. How many mL/hour should the nurse program the infusion pump?
The Correct Answer is ["167"]
The client with pneumonia is receiving a secondary infusion of azithromycin 500 mg in 250 mL of normal saline (NS) to be infused in 90 minutes.
To calculate the infusion rate in mL/hour, we need to divide the total volume of the infusion (250 mL) by the infusion time in hours (90 minutes / 60 minutes/hour = 1.5 hours).
The nurse should program the infusion pump to deliver 167 mL/hour (250 mL / 1.5 hours).
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Related Questions
Correct Answer is ["0.75"]
Explanation
The healthcare provider prescribes interferon beta-1b 0.1875 mg every other day for a client with multiple sclerosis.
The nurse reconstitutes the single-use vial of powder labeled 0.3 mg with 1.2 mL of sterile water, so the concentration of interferon beta-1b in the solution is 0.25 mg/mL (0.3 mg / 1.2 mL).
Since the healthcare provider prescribes 0.1875 mg of interferon beta-1b, the nurse should administer 0.75 mL of medication (0.1875 mg / 0.25 mg/mL).
Correct Answer is ["6"]
Explanation
To calculate the infusion rate in mL/hour, we can use the following formula:
Infusion rate (mL/hour) = Dose (mg/minute) x 60 / Concentration (mg/mL) In this case, the dose is 2 mg/minute and the concentration is:
200 mg/40 mL = 5 mg/mL
We can calculate the infusion rate as follows:
2 mg/minute x 60 / 5 mg/mL = 24 mL/hour
However, the total volume of the solution is 200 mL. Therefore, we need to adjust the infusion rate to ensure that the medication is infused over the correct time period. If we divide the total volume by the infusion time, we can calculate the infusion rate required to deliver the medication over that time period:
200 mL / (120 minutes) = 100 mL/hour
So we need to adjust our initial calculation to ensure that we are infusing at a rate of 100 mL/hour. We can do this by using a proportion:
2 mg/minute x 60 / 5 mg/mL = X mL/hour x 1 Solving for X gives us:
X = (2 x 60 x 1) / 5 = 24 mL/hour
So we should program the infusion pump to deliver 6 mL/hour.
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