A 39-year-old teacher with bronchitis has been up all night with intense coughing spasms and asks the nurse "How is all this coughing related to my bronchitis?" The nurse tells the patient that a cough is initiated by what?
A) Irritation to receptors in the nasal cavity
B) Irritation to receptors in the bronchi
C) Irritation to receptors in the pharynx
D) Irritation to receptors in the sinus cavities
B
Feedback:
Irritation to bronchial receptors will initiate a cough, which causes air to be pushed through the bronchial tree. Irritation to receptors in the nasal cavity, pharynx, and sinuses are more likely to initiate the sneeze reflex.
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