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. How many ml should the nurse administer to the client?
(Enter the numerical value only. If rounding is required round to the nearest hundredth)
The Correct Answer is ["0.75"]
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).

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["167"]
Explanation
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).
Correct Answer is ["375"]
Explanation
To calculate the number of milliliters that remain to be infused, we can use the following formula: Volume remaining = Total volume - Volume infused
In this case, the total volume is 1000 mL and the volume infused is:
125 mL/hour x 5 hours = 625 mL So the volume remaining is:
1000 mL - 625 mL = 375 mL.
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