Question

Bronchial asthma is likely to be relieved by 

A. Stimulation of cholinergic receptors. 

B. Stimulation of beta adrenoceptors. 

C. Histamine aerosols. 

D. Drugs which stabilize mast cell membranes. 

E. Glucocorticoids.

Answer 1

A. False This causes bronchoconstriction. 

B. True This causes relaxation of bronchial muscle. 

C. False Histamine is a bronchoconstrictor. 

D. True The chromoglycate drugs are thought to work like this and reduce release of bronchoconstrictor agents from mast cells. 

E. True These suppress bronchoconstrictor and inflammatory mechanisms.