This Viva will examine your knowledge of drugs and drug delivery systems used in the treatment 
of asthma. 
Q 1 Classify drugs used in the treatment of asthma.
Subsequent questions sought knowledge of mechanism of action of beta 2 agonists in the 
treatment of asthma, important side effects of beta 2 agonists, actions of muscarinic anticholinergic antagonists, corticosteroids and aerosol drug delivery systems.