The nurse plans to provide the next shift with the intravenous (IV) fluid balance for a client who had a 440 mL secondary infusion that was started 2 hours ago at a rate of 85 mL/hour via an infusion pump. What is the remaining volume to be infused? (Enter numeric value only.)
The Correct Answer is ["270"]
Calculate the total volume infused so far:
Infusion rate: 85 mL/hour
Time elapsed: 2 hours
Total volume infused:
Volume = Rate x Time
Volume = 85 mL/hour * 2 hours = 170 mL
Calculate the remaining volume to be infused:
Initial volume of secondary infusion: 440 mL
Remaining volume:
Remaining volume = Initial volume - Volume infused
Remaining volume = 440 mL - 170 mL = 270 mL
Therefore, there are 270 mL of fluid remaining to be infused.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
Here's how to calculate the infusion rate (mL/hour) for the cefazolin administration:
1. We know:
Total volume of cefazolin solution (including 0.9% sodium chloride): 50 mL (given)
Amount of cefazolin to administer: 1 gram (convert to mg for calculation) = 1 g * 1000 mg/g = 1000 mg
Infusion time: 30 minutes (given) = 30 minutes / 60 minutes/hour = 0.5 hours
2. We need to find:
Infusion rate (mL/hour)
3. Calculation:
The medication (cefazolin) is diluted in sodium chloride solution, but the total volume (50 mL) includes both. We only need to administer this entire volume over the specified time.
Infusion rate (mL/hour) = Total volume of solution (mL) / Infusion time (hours)
Infusion rate (mL/hour) = 50 mL / 0.5 hours
Infusion rate (mL/hour) = 100 mL/hour
Therefore, the nurse should program the infusion pump to deliver 100 mL/hour.
Correct Answer is ["0.8"]
Explanation
Here's how to calculate the volume (mL) of epoetin alfa the nurse should administer:
1. We know the following:
Prescribed dose: 8,200 units epoetin alfa (given)
Vial concentration: 10,000 units/mL (given from the label)
2. We need to find the volume (mL) to administer for the prescribed dose (8,200 units) considering the concentration (10,000 units/mL).
Volume to administer (mL) = Dose (units) / Concentration (units/mL)
Volume to administer (mL) = 8,200 units / 10,000 units/mL
Volume to administer (mL) = 0.82 mL (round to nearest tenth)
Therefore, the nurse should administer 0.8 mL of epoetin alfa subcutaneously.
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