Long acting b2 sympathomimetic ?: (A) Salmeterol, (B) Orciprenaline, (C) Penoterol, (D) Pexbaterol
Answer is A. Ans. is 'a' i.e., Salmeterol o b2-agonistsused in Asthma 1.Sho acting --> Salbutamol, terbutaline 2. Long acting --> Salmeterol, formoterol