Multiple Choice
After entering a room of chemical fog,a 20-year-old male cannot stop sneezing.Which of the following structures is primarily responsible for his sneezing?
A) Upper respiratory tract mucosa
B) Irritant receptors in the trachea and large airways
C) Irritant receptors in the nostrils
D) Upper respiratory nasal hairs and turbinates
Correct Answer:

Verified
Correct Answer:
Verified
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