Larynx: Vocal fold movements

Question 1

What is the area that air will pass through int eh larynx that will cause the vocal folds to vibrate, resulting in phonation?

Answer 1

Rima Glottidis

Question 2

What determines the size and shape of the rima glottidids?

Answer 2

Movement of the Arytenoid Cartilages

Question 3

When is the rima glottidis wide?

Answer 3

During Insperation

Question 4

What is the general shape of the rima glottidis during expiration and phonaton?

Answer 4

Narrow and Wedged shaped

Question 5

what determines the pitch of the sound produced during phonation?

Answer 5

The degree of tension on the vocal folds

Question 6

When increasing the pitch of the voice, what muscle will contract to increase the tension on the vocal folds?

Answer 6

Cricothyroid Muscle

Question 7

To lower the pitch of the voice, what muscle(s) will contract to lessen the tension of the vocal folds?

Answer 7

1) Thyroarytenoid

2) Vocalis

Question 8

T/F: the overall tone/pitch/sound of the voice is determined by the length of the vocal folds, and thickness of the vocal cord only.

Answer 8

False.

It is controlled by:

1) Length of the vocal cords
2) Size of the Resonating chamber
3) Thickness of the vocal cords

Question 9

What is contained within the vocal cords that will cause them to increase in size in males?

Answer 9

Androgen receptors

Question 10

What is it called when comparing the male and female voices?

Answer 10

Vocal Dimorphism