Pharyngeal phase of deglutition_____________?
Correct answer: D. A and B
- A. Is a reflex mechanism
- B. Vocal cords are closed
- C. Is a voluntary mechanism
- D. A and B
Explanation
The pharyngeal phase is an involuntary reflex triggered when the bolus reaches the pharynx, and closure of the vocal cords protects the airway. Thus both statements A and B are correct.
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