QUESTION 140 The doctor orders gentamicin 20 mg IV to be added to 100 mL NS IVPB to be infused over 30 minutes q8 hours. The stock supply is a 4mg/mL vial. The drop factor is 15 gtt/mL. Calculate the flow rate of the IV in drops per minute. O 50 gtts/min 3 gtts/min 2.5 gtts/min 0.16 gtts/min 5 gtts/min

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