A nurse is preparing to administer 0.9% sodium chloride 000 mL IV to infuse over 8 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["125"]
Step-by-Step Calculation
Understanding the Problem
We need to administer 1000 mL of 0.9% sodium chloride over 8 hours.
We need to calculate the infusion rate in mL/hr.
Calculations
Calculate the infusion rate:
Infusion rate (mL/hr) = Total volume (mL) / Time (hr)
Infusion rate = 1000 mL / 8 hr = 125 mL/hr
The nurse should set the IV pump to deliver 125 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["13"]
Explanation
Calculations
Calculate the total minutes:
24 hours = 24 X 60 minutes = 1440 minutes
Calculate the infusion rate in mL/min:
Infusion rate (mL/min) = Total volume (mL) / Total time (min)
Infusion rate = 1200 mL / 1440 min = 0.8333 mL/min
Calculate the drip rate:
Drip rate (gtt/min) = Infusion rate (mL/min) X Drop factor (gtt/mL)
Drip rate = 0.8333 mL/min X 15 gtt/mL = 12.5 gtt/min
The nurse should set the manual IV infusion to deliver 13 gtt/min.
Correct Answer is ["325"]
Explanation
The client is prescribed 5,200 mL of fluid over the first 24 hours. To find out how many mL/hr the IV pump should be set to infuse for the first 8 hours, we can divide the total volume by the total time.
Let’s calculate:
Rate=TotalVolume/TotalTime
Substituting the given values:
Rate = 5200mL /24hr ≈ 216.67mL/hr
However, this is the rate for the entire 24 hours. The question asks for the rate for the first 8 hours. It’s common in burn injury treatment to administer half of the total 24-hour fluid volume in the first 8 hours. So, we need to calculate half of the total volume and then find the rate for the first 8 hours:
HalfofTotalVolume = 5200mL/2 = 2600mL
Rateforfirst8hours = HalfofTotalVolume / 8hr
Substituting the given values:
Rateforfirst8hours = 2600mL/8hr = 325mL/hr
So, the nurse should set the IV pump to deliver 325 mL/hr for the first 8 hours.
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