An IV pump is prescribed to deliver 900 mL over 5 hours. What rate should the nurse program in millilitres per hour?
Correct answer: B. 180 mL/hour
- A. 150 mL/hour
- B. 180 mL/hour
- C. 200 mL/hour
- D. 225 mL/hour
Explanation
The pump rate is total volume ÷ time: 900 mL ÷ 5 hours = 180 mL/hour. This uses an electronic pump, so a drop factor is not 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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