Larynx (1)

Question 1

Functions of the larynx

Answer 1

• provide patent airway
• act as a switching mechanism to route air & food into the proper channels
• to function in voice production

Question 2

What are the three large single cartilages

Answer 2

• thyroid
• cricoid
• epiglottis

Question 3

What are the three paired small cartilages

Answer 3

• arytenoid
• cuneiform
• corniculate

Question 4

Thyroid cartilage is attached to the hyoid bone by the

Answer 4

Thyrohyoid membrane (pierced by internal laryngeal n, superior laryngeal a)

Question 5

Most important cartilage in moving vocal folds (speaking)

Answer 5

Arytenoid cartilage

Question 6

Vocal fold consists these three structures

Answer 6

• vocal ligament
• vocalis muscle
• vocal mucous membrane

True vocal cord

Question 7

False vocal cord

Answer 7

Vestibular fold

Question 8

Muscles that attach on the oblique line of the thyroid cartilage

Answer 8

• sternothyroid
• thyrohyoid
• inferior constrictor

Question 9

Larger in males than females; results in longer vocal cords that vibrate at a lower frequency

Answer 9

Adams apple

Question 10

Forward fold of cricothyroid results in a ______ of vocal ligaments

Answer 10

Tightening

Question 11

Thyroid cartilage & cricoid cartilage create an articulation called

Answer 11

Cricothyroid joint

Question 12

Articulates with inferior horns of thyroid cartilage posterolaterally at joints; upper posterolateral border articulates with arytenoid cartilage

Answer 12

Cricoid cartilage

Question 13

Quadranglular membrane of epiglottic cartilage

Answer 13

• between lateral aspects of epiglottis & arytenoid cartilage
• free inferior margin constitutes vestibular ligament

Question 14

Corniculate cartilage attaches to the

Answer 14

Apex of the arytenoid cartilages

Question 15

Free edge of the conus elasticus is

Answer 15

True vocal ligament

Question 16

Functions of the true vocal folds

Answer 16

• control sound production

- main inspiration sphincter (when shut, increase pressure)

Question 17

Lateral recesses between the vocal & vestibular folds

Answer 17

Laryngeal ventricles

Question 18

Between laryngeal inlet & the vestibular folds

Answer 18

Laryngeal vestibule

Question 19

Recesses extending laterally from the middle part of the laryngeal cavity between vestibular & vocal folds

Answer 19

Laryngeal ventricle

Question 20

Inferior cavity of the larynx between the vocal folds & inferior border of the cricoid cartilage

Answer 20

Infraglottic cavity

Question 21

Two nerves that innervate the larynx (above & below)

Answer 21

• internal laryngeal n (above fold)

- recurrent laryngeal n (below fold)

Question 22

Extends from the laryngeal inlet to the level of the cricoid cartilage

Answer 22

Laryngeal cavity

Question 23

Aperture between the vocal folds

Answer 23

Roma glottidis

Question 24

Forced respiration results in great abduction of the

Answer 24

Rima glottidis & arytenoid cartilage

Question 25

Whispering changes the rima glottidis & arytenoid in what ways

Answer 25

Rima glottidis - adducts

Arytenoids - abduct