Respiratory Disorders Part 1 Flashcards
1
Q
What are the two neurotransmitters in the peripheral nervous system?
A
Acetylcholine and Noradrenaline
2
Q
What are the main two types of ACh receptors?
A
Nicotinic (nic) and muscarinic (mus)
3
Q
In what two ways does regulation of airway smooth muscle occur by?
A
Contraction and relaxation
4
Q
What do M2 muscarinic receptors do?
A
Mediate presynaptic auto-inhibition of ACh release
5
Q
What type of sensory receptors are found in the lower airways?
A
Sensory C Fibres
6
Q
What type of sensory receptors are found in the upper airways?
A
Rapidly Adapting Irritant Receptors
7
Q
What other type of sensory receptors are also found in the airways?
A
Slow Adapting Stretch Receptors
8
Q
What are the four main types of irritants in the airways?
A
Ammonia
Sulphur Dioxide
Cigarette Smoke
Inflammatory Mediators
