Answer:
42 gtt/min
Step-by-step explanation:
Amount of fluid to be infused = 500 mL
Time = 3 hours = 3×60 = 180 minutes
Tubing drop factor/mL = 15 gtt/mL
Fussion rate = (Amount of fluid to be infused / time in minutes)
Fussion rate = 500/180 = 2.78 mL/min
gtt/min = Tubing drop factor/mL× Fusion rate
⇒gtt/min = 15×(500/180)
⇒gtt/min = 15×(25/9)
⇒gtt/min = 125/3
⇒gtt/min = 41.67
⇒gtt/min = 42
∴42 drops/min (gtt/min) should be given.