PTCB Certified Pharmacy Technician (PTCE)Order Entry and ProcessingEasy
A pharmacy technician is preparing an IV admixture. The order is for 'Dextrose 5% in Water (D5W) 1000 mL to infuse over 8 hours.' What is the correct infusion rate in mL/hour?
- A150 mL/hour
- B80 mL/hour
- C125 mL/hour
- D200 mL/hour
Show answer & explanationAnswer & explanation
Correct answer: C. 125 mL/hour
To calculate the infusion rate in mL/hour, divide the total volume (1000 mL) by the total infusion time (8 hours). 1000 mL / 8 hours = 125 mL/hour.
Why the other options are wrong
- A. This is incorrect; it might result from an arithmetic error or miscalculation.
- B. This is incorrect; it might result from an arithmetic error or miscalculation.
- D. This is incorrect; it might result from an arithmetic error or miscalculation.
IV Infusion Rate Calculation (mL/hour)
Calculating the rate at which an intravenous (IV) fluid should be administered to a patient, expressed in milliliters per hour.
- Formula: Total Volume (mL) / Total Time (hours)
- Essential for safe and accurate medication delivery
- Technicians often prepare IVs based on these calculations
Memory trick: Volume Over Time, IV Drip's Prime.