Physiology & Biochemistry · single question
Which neurotransmitter increases mucus production in asthma?
Show answer and explanation
Correct answer: A. Acetylcholine
Cholinergic (muscarinic) stimulation drives asthmatic mucus and bronchoconstriction.
- A. Correct. Acetylcholine on muscarinic (M3) receptors increases mucus secretion and bronchoconstriction.
- B. Sympathetic NE relaxes bronchial smooth muscle (bronchodilation).
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