Which of the following is a very long acting Beta 2- agonist: (A) Salbutamol, (B) Terbutaline, (C) Indacterol, (D) Salmeterol
Answer is C. Salbutamol, Terbutaline are short acting Beta 2 agonists.
Salmeterol, Formeterol are long acting Beta 2 agonists.
Indacterol, Carmoterol, Olodlaterol are very long acting Beta 2 agonists.