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.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Gastrointestinal Physiology
44 free Gastrointestinal Physiology MCQs from Physiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Physiology questions like this
Physiology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Gastrointestinal Physiology questions
Pepsinogen is activated by ___________________ ?
Vagal stimulation following intake of food does not affect secretion of_______________?
Maximum secretory glands in stomach are________________?
Production of bile takes place in____________________?
The most important function of hydrochloric acid in the stomach is_______________?
Histamine stimulate the secretion of_______________?