An IV bag contains 1,440 mL and is running at 120 mL per hour. How long will the infusion take to complete?
Correct answer: C. 12 hours
- A. 8 hours
- B. 10 hours
- C. 12 hours
- D. 14 hours
Explanation
Infusion time equals total volume ÷ hourly rate. The calculation is 1,440 mL ÷ 120 mL/hour = 12 hours. This calculation assumes the prescribed rate remains constant and the full volume is to be infused.
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About Drug Calculations and Dosage
Drug calculations apply measurement systems, unit conversions, dosage formulas, tablet and liquid doses, percentage and ratio strength, and weight based dosing. Work also includes calculating IV flow rates, infusion times and doses for children, while distinguishing the prescribed dose from the available concentration.
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