An IV infusion of D5W 1000 mL is to be given over 8 hours. The IV tubing delivers 10 gtt/mL. What is the rate in gtt/min, rounded to the nearest whole number?

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Multiple Choice

An IV infusion of D5W 1000 mL is to be given over 8 hours. The IV tubing delivers 10 gtt/mL. What is the rate in gtt/min, rounded to the nearest whole number?

Explanation:
Understanding IV flow rate calculations involves turning the total volume and time into a per-minute drop rate using the tubing's drop factor. First, find the hourly flow: 1000 mL over 8 hours is 125 mL per hour. Next, convert to drops per hour using the tubing: 125 mL/hour × 10 gtt/mL = 1250 gtt/hour. Then convert to drops per minute: 1250 gtt/hour ÷ 60 min/hour ≈ 20.83 gtt/min. Rounding to the nearest whole number gives 21 gtt/min.

Understanding IV flow rate calculations involves turning the total volume and time into a per-minute drop rate using the tubing's drop factor. First, find the hourly flow: 1000 mL over 8 hours is 125 mL per hour. Next, convert to drops per hour using the tubing: 125 mL/hour × 10 gtt/mL = 1250 gtt/hour. Then convert to drops per minute: 1250 gtt/hour ÷ 60 min/hour ≈ 20.83 gtt/min. Rounding to the nearest whole number gives 21 gtt/min.

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