A client receives a prescription for oxytocin 2 millunits/min IV for labor augmentation. The lV bag contains oxytocin 20 units in 1 liter of lacated Ringer's. . How many mL/hour should the nurse program the infusion pump to deliver? (Enter numerical value only.)
The Correct Answer is ["6"]
Given:
Ordered dose of Oxytocin: 2 milliunits/min
Concentration of Oxytocin: 20 units in 1 liter (1000 mL) = 20 units/1000 mL = 0.02 units/mL
Step 1: Convert milliunits to units:
Ordered dose (units/min) = Ordered dose (milliunits/min) / 1000 milliunits/unit
Ordered dose (units/min) = 2 milliunits/min / 1000 milliunits/unit
Ordered dose (units/min) = 0.002 units/min
Step 2: Calculate the infusion rate in units/hour:
Infusion rate (units/hour) = Ordered dose (units/min) x 60 minutes/hour
Infusion rate (units/hour) = 0.002 units/min x 60 minutes/hour
Infusion rate (units/hour) = 0.12 units/hour
Step 3: Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Infusion rate (units/hour) / Concentration (units/mL)
Infusion rate (mL/hour) = 0.12 units/hour / 0.02 units/mL
Infusion rate (mL/hour) = 6 mL/hour
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["17"]
Explanation
Given:
Volume of fluid: 50 mL
Infusion time: 30 minutes
Drop factor: 10 gtt/mL
Formula:
Flow rate (gtt/min) = (Volume (mL) / Time (min)) x Drop factor (gtt/mL)
Step 1: Calculate the infusion rate in mL/min:
Infusion rate (mL/min) = Volume (mL) / Time (min)
Infusion rate (mL/min) = 50 mL / 30 min
Infusion rate (mL/min) = 1.67 mL/min
Step 2: Calculate the flow rate in gtt/min:
Flow rate (gtt/min) = Infusion rate (mL/min) x Drop factor (gtt/mL)
Flow rate (gtt/min) = 1.67 mL/min x 10 gtt/mL
Flow rate (gtt/min) = 16.7 gtt/min
Step 3: Round to the nearest whole number:
Flow rate (gtt/min) ≈ 17 gtt/min
Correct Answer is ["375"]
Explanation
Given:
Total volume of infusion: 1000 mL
Infusion rate: 125 mL/hour
Infusion started 5 hours ago
Step 1: Calculate the volume infused in 5 hours:
Volume infused = Infusion rate (mL/hour) x Time (hours)
Volume infused = 125 mL/hour x 5 hours
Volume infused = 625 mL
Step 2: Calculate the remaining volume:
Remaining volume = Total volume - Volume infused
Remaining volume = 1000 mL - 625 mL
Remaining volume = 375 mL
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