You have a 1000 mL IV bag to infuse over 24 hours. What is the infusion rate in mL per hour?

Prepare for your Infusion Calculations Test. Study with flashcards and multiple-choice questions, each question comes with hints and explanations. Ready yourself for success!

Multiple Choice

You have a 1000 mL IV bag to infuse over 24 hours. What is the infusion rate in mL per hour?

Explanation:
Infusion rate is found by dividing the total volume by the time over which it’s given. For 1000 mL over 24 hours, you calculate 1000 ÷ 24 = 41.666... mL per hour. Rounding to one decimal place gives 41.7 mL/hr. This is the rate that matches a 24-hour infusion of 1 liter. If you try the other numbers, they would require different infusion times (for example, 40.0 mL/hr would take 25 hours, 50.0 mL/hr would take 20 hours, 42.5 mL/hr would take about 23.5 hours), which isn’t the scenario here.

Infusion rate is found by dividing the total volume by the time over which it’s given. For 1000 mL over 24 hours, you calculate 1000 ÷ 24 = 41.666... mL per hour. Rounding to one decimal place gives 41.7 mL/hr. This is the rate that matches a 24-hour infusion of 1 liter. If you try the other numbers, they would require different infusion times (for example, 40.0 mL/hr would take 25 hours, 50.0 mL/hr would take 20 hours, 42.5 mL/hr would take about 23.5 hours), which isn’t the scenario here.

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