Practice Quiz

PTCE Pharmacy Technician

Category - Process & Dispense

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An IV has been set to drip at 5gtt/min, and the bag has 500mg of active ingredient in a total of 1200ml. If the set has been calibrated to deliver 25gtt/ml, how much active ingredient will the patient receive in two hours?
  1. 10mg
  2. 20mg
  3. 22mg
  4. 25mg
Explanation
Answer: A - In two hours the patient would have received 10mg of active ingredient. Here is how the math works:
5gtt x 60mins = 300gtt per hour
300gtt/25gtt = 12ml per hour
12ml x 500ml = 5mg per hour
1200
5mg x 2 hours = 10mg in two hours
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