Which of the following pathophysiologic mechanisms would be expected in the excessive bronchial secretions clinical scenario?
1. Decreased ventilation/perfusion ratio
2. Increased airway resistance
3. Stimulation of the deflation reflex
4. Stimulation of the irritant reflex
a. 1, 2
b. 1, 4
c. 1, 2, 3
d. 1, 2, 4
D
When excessive bronchial secretions are present, the ventilation/perfusion ratio is decreased. Increased airway resistance would result from the excessive secretions which would stimulate the irritant reflex.
Health Professions
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