Pharma - Asthma Flashcards
1
Q
Where are cell bodies of Preganglionic fibres found?
Postganglionic?
A
Brainstem.
Embedded in walls of bronchi.
2
Q
Stimulation of postgangionic cholingeric fibres cause…
A
Bronchial smooth muscle contraction mediated by M3 muscarinic Ach receptors on A SM.
3
Q
Stimulation of postgangionic noncholingeric fibres cause…
A
Bronchial smooth muscle relaxation mediated by NO and vasoactive intestinal peptide (VIP).