Answer:
Dosage concentration is 0.24 mg/min
Explanation:
Given data:
Drop factor is 10 gtt/ml
flow rate = 15 gtt/ml
concentration is 49 mg in 250 ml NS
We know flow rate is given as
volume in per minute


In 250 ml concentration is 40 mg
so in 1.5 ml concentration is
Dosage concentration is

Dosage concentration is 0.24 mg/min