Half life of Dobutamine is:: (A) 120 seconds, (B) 200 seconds, (C) 20 seconds, (D) 20 minutes
Answer is A. Ans. (A) 120 seconds(Ref: Lawrence 9/e p453)Dobutamine is an inotropic drug which has onset of action = 1-2 min.Peak action = 1-10 min.Duration of action = < 10 min.Half life = 2 min.