Beta 2 agonist used in rescue therapy in acute respiratory conditions are all except?: (A) Formoterol, (B) Salbutamol, (C) Bambuterol, (D) Ketotifen
Answer is D. Ans. is 'd' i.e., Ketotifen Formoterol, Salbutomol and bambuterol are p 2 agonists. o Ketotifen is a mast cell stabilizer.