A client receives a prescription for penicillin 5 million units in 100 mL of 0.9% sodium chloride to be infused over 30 minutes. How many mL/hr should the nurse set the infusion pump? (Enter numerical value only.)
The Correct Answer is ["200"]
Total volume to be infused = 100 mL
Convert the infusion time from minutes to hours:
Infusion time (hours) = Infusion time (minutes) / 60 minutes/hour
= 30 minutes / 60 minutes/hour
= 0.5 hours
Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Total volume (mL) / Infusion time (hours)
= 100 mL / 0.5 hours
= 200 mL/hour
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["400"]
Explanation
Formula:
Infusion rate (mL/hour) = Total volume (mL) / Total time (hours)
Total volume: Total volume = 200 mL
Convert infusion time from minutes to hours:
1 hour = 60 minutes
30 minutes = 30 minutes / 60 minutes/hour
= 0.5 hours
Total infusion time = 0.5 hours
Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Total volume (mL) / Total time (hours)
= 200 mL / 0.5 hours
= 400 mL/hour
Correct Answer is ["12000"]
Explanation
Calculate the total volume infused over 12 hours:
Total volume (mL) = Infusion rate (mL/hour) x Infusion time (hours)
= 25 mL/hour x 12 hours
= 300 mL
Calculate the concentration of heparin in the IV solution:
Heparin concentration (units/mL) = Total heparin units / Total volume of solution (mL)
= 20,000 units / 500 mL
= 40 units/mL
Calculate the total units of heparin received in 12 hours:
Total heparin units = Heparin concentration (units/mL) x Total volume infused (mL)
= 40 units/mL x 300 mL
= 12000 units
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