Lecture 11

Question 1

The larynx is located between the ______ and ________, and anterior to the __________.

Answer 1

Trachea and pharynx; esophagus.

Question 2

The superior ending point of the larynx is the _______.

Answer 2

Trachea

Question 3

What are the 2 biological functions of the larynx?

Answer 3

1) prevent foreign objects from entering the lungs via cough reflex (safe swallowing)
2) prevent air from escaping the lungs to stabilize torso for lifting heavy objects

Question 4

What are the 2 functions of the hyoid bone?

Answer 4

1) supports the root of the tongue

2) supports the larynx

Question 5

The _____ bone is free floating, meaning:

Answer 5

Hyoid; not attached to any other bones

Question 6

The hyoid bone is _____-____ shaped at the level of ___

Answer 6

Horse-shoe; C3

Question 7

What are the 3 main parts of the hyoid bone?

Answer 7

1) Central body/corpus
2) greater horns/cornua
3) lesser horns

Question 8

The thyroid cartilage is the _______ and ______ walls of the larynx and is the _______ cartilage in the larynx

Answer 8

Anterior and lateral; largest

Question 9

The thyroid is _____/_______ to the ______ cartilage

Answer 9

Above/attached; cricoid

Question 10

What are the 8 parts of the thyroid cartilage?

Answer 10

1) thyroid lamina
2) thyroid notch
3) thyroid prominence
4) angle of the thyroid
5) oblique line
6) superior horns/cornua
7) inferior horns
8) cricothyroid joint

Question 11

The ______ cartilage serves as the base for the larynx

Answer 11

Cricoid

Question 12

The cricoid cartilage is on top of the ______

Answer 12

Trachea

Question 13

The cricoid cartilage is _______-shaped with the broad part (_____) __________ and the narrow part ________.

Answer 13

Signet; lamina; posteriorly; anteriorly

Question 14

The arytenoid cartilages are ______, and are ___________-shaped with ___ surfaces

Answer 14

Paired; pyramidal; four

Question 15

The arytenoid cartilages are located on the ________ surface of the ______

Answer 15

Superior; cricoid

Question 16

What are the 4 main parts/processes of the arytenoid cartilages?

Answer 16

1) apex
2) muscular process
3) vocal process
4) cricoarytenoid joint

Question 17

What is the position of the apex of the arytenoid cartilage? (1)

Answer 17

Superior

Question 18

What is the position of the muscular process of the arytenoid? (3)

Answer 18

Posterior, lateral, inferior

Question 19

What is the position of the vocal process of the arytenoid? (2)

Answer 19

Anteromedial; inferior

Question 20

What type is the cricoarytenoid joint?

Answer 20

Condyloid

Question 21

What does the term arytenoid dance mean?

Answer 21

Anterior and medial movement go together, and the posterior and lateral movement go together?

Question 22

Are the VFs longer when at rest during breathing or during phonation? And why?

Answer 22

At rest, because in order to phonate the VFs have to come medically and and anteriorly, which shortens the VF

Question 23

What are the 2 cartilage sections of the arytenoids?

Answer 23

1) corniculates

2) cuneiforms

Question 24

The corniculates are ____-shaped cartilages that form the ____ of the ___________

Answer 24

Cone; apex; arytenoids

Question 25

The cuneiforms are ___-shaped cartilages within the ___________ ____

Answer 25

Rod; aryepiglottic fold

Question 26

The epiglottis is a ___-shaped cartilage attached on the ______

Answer 26

Leaf; thyroid

Question 27

The _______ is important for swallowing by directing ____/_____ down to the _________ and protecting the ________.

Answer 27

Epiglottis; food/liquid; esophagus; airway

Question 28

What are the 2 pits between the epiglottis and the tongue called?

Answer 28

Valleculae

Question 29

The anterior surface of the epiglottis faces the ____ of the _______

Answer 29

Root of the tongue