ENDOCRINE ORGANS AND RESPIRATORY SYSTEM
RESPIRATORY SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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During an asthma attack the autonomic nervous system will cause
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bronchodilation
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bronchoconstriction
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excessive mucous production
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a hacking cough
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Explanation:
Detailed explanation-1: -The autonomic nervous system (ANS) plays an important role in asthma, primarily through the parasympathetic (by the cholinergic pathway) promoting bronchoconstriction.
Detailed explanation-2: -Mast cells are also important in the pathophysiology of asthma. Activated mast cells release histamine and other inflammatory mediators that cause bronchoconstriction and the recruitment of immune cells to the airway (109).
Detailed explanation-3: -In acute exacerbations of asthma, bronchial smooth muscle contraction (bronchoconstriction) occurs quickly to narrow the airways in response to exposure to a variety of stimuli including allergens or irritants.
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