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PTCE Pharmacy Technician

Category - Process & Dispense

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If an IV is set to drip at 30gtt/min and is calibrated to 25gtt/ml, and if it takes 7 hours for the full amount of medication to be dispensed, how many milliliters were originally in the bag?

417ml
504ml
617ml
628ml

Explanation

Answer: B - The IV bag originally contained 504 milliliters. Here is how this answer was found:
30gtt x 60 minutes = 1800gtt/hour
1800gtt/25gtt = 72ml/hour
72ml x 7 hours = 504ml

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