A client receives a prescription for oxytocin 2 milliunits/min IV for labor augmentation. The IV bag contains oxytocin 20 units in 1 liter of lactated Ringer's. How many mL/hour should the nurse program the infusion pump to deliver? (Enter numerical value only.)
The Correct Answer is ["6"]
Calculation:
Determine the concentration of oxytocin in the IV solution in milliunits/mL:
Total units of oxytocin = 20 units
Convert units to milliunits:
20 units x 1000 milliunits/unit = 20000 milliunits
Total volume of solution = 1 liter = 1000 mL
Concentration = Total milliunits / Total volume
= 20000 milliunits / 1000 mL
= 20 milliunits/mL
Calculate the desired dose per hour in milliunits:
Desired dose per minute = 2 milliunits/min
Desired dose per hour = 2 milliunits/min x 60 minutes/hour
= 120 milliunits/hour
Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Desired dose per hour (milliunits/hour) / Concentration (milliunits/mL)
= 120 milliunits/hour / 20 milliunits/mL
= 6 mL/hour
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1"]
Explanation
Calculation:
Desired dose = 100 mg
Available concentration = 200 mg / 2 mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 100 mg / (200 mg / 2 mL)
= 100 mg / 100 mg/mL
= 1 mL
Correct Answer is ["0.9"]
Explanation
Calculation:
Identify the desired dose:
Desired dose = 90 mg
Identify the available concentration:
Available concentration = 100 mg / 1 mL
Calculate the volume to administer:
Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 90 mg / 100 mg/mL
= 0.9 mL
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