An IV with a drop factor of 20 gtt/mL must deliver 600 mL over 240 minutes. What is the drops per minute (gtt/min)?

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Multiple Choice

An IV with a drop factor of 20 gtt/mL must deliver 600 mL over 240 minutes. What is the drops per minute (gtt/min)?

Explanation:
To determine drops per minute, convert the infusion to a rate in mL per minute and then convert that rate to drops using the drop factor. The volume is 600 mL over 240 minutes, so 600 ÷ 240 = 2.5 mL per minute. With a drop factor of 20 gtt/mL, each milliliter delivers 20 drops, so 2.5 mL/min × 20 gtt/mL = 50 gtt/min. The infusion rate is 50 drops per minute.

To determine drops per minute, convert the infusion to a rate in mL per minute and then convert that rate to drops using the drop factor. The volume is 600 mL over 240 minutes, so 600 ÷ 240 = 2.5 mL per minute. With a drop factor of 20 gtt/mL, each milliliter delivers 20 drops, so 2.5 mL/min × 20 gtt/mL = 50 gtt/min. The infusion rate is 50 drops per minute.

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