To prevent exercise induced asthma drug used is-
Ans. is 'c' i.e., Terbutaline The medications most widely used by people with exercise induced asthma are sho and long acting beta 2- agonist bronchodilators. Drugs are:- i) Sho acting --> salbutamol, terbutaline ii) Long acting --> salmeteral, formoterol
Sodium chromoglycate
Ipratropium bromide
Terbutaline
Epinephrine