Neuromuscular control of airways Flashcards

1
Q

What does stimulation of post ganglionic parasympathetic fibres cause?

A

Bronchial smooth muscle contraction

Increased mucus secretion

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2
Q

What is the parasympathetic neurotransmitter and receptor on airway smooth muscle and goblet cells?

A

Acetyl Choline

M3 muscarinic receptors

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3
Q

What does stimulation of post ganglionic sympathetic fibres cause?

A

Bronchial smooth muscle relaxation
Decreased mucus secretions
Increased mucocillary clearance
Vascular smooth muscle contraction

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