An order calls for 500 mL of heparin is to be administered over 18 hours. The tubing size delivers 15 drops per milliliter (gtt/mL). What is the drip rate?
A) 3 gtt/min
B) 7 gtt/min
C) 50 gtt/min
D) 125 gtt/hr

Question

Quizplus · Accepted Answer

The drip rate is calculated using the formula: (Volume in mL * Drop factor) / Time in minutes. Here, it's (500 mL * 15 gtt/mL) / (18 hours * 60 minutes/hour) = 7500 gtt / 1080 minutes = 6.94 gtt/min, which rounds to 7 gtt/min.

An Order Calls for 500 ML of Heparin Is to Be