Phonation
Gross Anatomy
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Respiratory System
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Voice & Speech
Q. Which of the following explains why the vocal folds vibrate during phonation?
a
The Bernoulli effect: air pushing past the folds creates suction between them.
b
Subglottal pressure pulls the folds back down.
c
The thyroarytenoid muscle relaxes and closes the folds.
d
The vocalis muscle contracts and closes the folds.
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