The healthcare provider prescribes 2 L of 5% dextrose in water (D,W) IV to infuse in 24 hours. The IV administration set delivers 15 gtt/mL. How many gtt/min should the nurse regulate the infusion? (Enter numerical value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["21"]
Here's how to calculate the infusion rate (gtt/min) for the nurse to regulate:
1. We know:
Total volume of D5W solution: 2 L (liters)
Infusion time: 24 hours
IV administration set gtt/mL: 15 gtt/mL
2. We need to find the infusion rate in gtt/min.
Steps:
a. Convert liters to milliliters (mL) for better calculation:
1 liter = 1000 mL
Total volume (mL) = 2 L * 1000 mL/L
Total volume (mL) = 2000 mL
b. Convert infusion time from hours to minutes:
Infusion time (minutes) = Infusion time (hours) x Minutes per hour
Infusion time (minutes) = 24 hours * 60 minutes/hour
Infusion time (minutes) = 1440 minutes
c. Calculate the total volume of solution to be infused per minute:
Volume rate (mL/min) = Total volume (mL) / Infusion time (minutes)
Volume rate (mL/min) = 2000 mL / 1440 minutes
Volume rate (mL/min) = 1.389 mL/min (round to nearest hundredth)
d. Finally, calculate the infusion rate in gtt/min:
Infusion rate (gtt/min) = Volume rate (mL/min) x gtt/mL
Infusion rate (gtt/min) = 1.389 mL/min * 15 gtt/mL
Infusion rate (gtt/min) = 20.835 gtt/min (round to nearest whole number as requested)
Therefore, the nurse should regulate the infusion at approximately 21 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["4.7"]
Explanation
We know:
Prescribed dose: 140 mg ampicillin (given)
Vial information:
Contains 250 mg ampicillin powder (given)
Reconstituted with 8.3 mL sterile normal saline (given)
Yields a final concentration of 30 mg/mL (given)
We don't consider the initial volume (8.3 mL) of sterile normal saline. The final concentration (30 mg/mL) refers to the concentration in the diluted solution after adding the saline
Calculation:
Volume to administer (mL) = Dose (mg) / Concentration (mg/mL)
Volume to administer (mL) = 140 mg / 30 mg/mL
Volume to administer (mL) = 4.67 mL (round to nearest tenth)
Therefore, the nurse should administer approximately 4.7 mL of the reconstituted ampicillin solution intravenously every 8 hours for the child.
Correct Answer is ["200"]
Explanation
Here's the calculation:
The medication dose (ciprofloxacin 400 mg) needs to be delivered over the entire infusion duration (1 hour).
The total volume of the IV bag containing the medication (200 mL) is the volume that needs to be infused.
Although the ciprofloxacin itself might be concentrated in a smaller volume within the bag,
the entire bag with both the medication and diluent (dextrose 5% in water) needs to be delivered over the 1-hour timeframe.
Therefore, the infusion pump rate should be set to deliver the entire volume of the bag (200 mL)
over the 1-hour duration,
resulting in a rate of 200 mL/hour.
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