An IV bag contains 750 mL and is running at 125 mL per hour. How long will the infusion take to complete?
Correct answer: C. 6 hours
- A. 4 hours
- B. 5 hours
- C. 6 hours
- D. 7 hours
Explanation
Infusion time equals total volume divided by the hourly rate: 750 mL ÷ 125 mL/hour = 6 hours. The rate is already expressed per hour, so no further time conversion is needed.
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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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