MEDICAL
LUNGS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is TRUE about the regulation of bronchiole radius in Bronchiole constriction?
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parasympathetic via muscarinic receptors
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sympathetic via activation of b2 (receptors on smooth muscle)
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relaxation
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epinephrine
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HIGH CO2
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Explanation:
Detailed explanation-1: -The parasympathetic nerves provide the dominant autonomic control of airway smooth muscle. They release acetylcholine onto muscarinic receptors, causing contraction and bronchoconstriction (1). The release of acetylcholine from the parasympathetic nerves is controlled by muscarinic autoreceptors located on the nerves.
Detailed explanation-2: -Parasympathetic nerves control the symptoms and inflammation of allergic diseases primarily by signaling through peripheral muscarinic receptors.
There is 1 question to complete.