Larynx Overview

Question 1

Where is the larynx located?

Answer 1

Between the oropharyngeal isthmus to trachea, extending vertically from tip of epiglottis to inferior boarder of cricoid cartilage

Question 2

What 3 things form the larynx?

Answer 2

1. Cartilages
2. Fibro-elastic membrane
3. Intrinsic muscles

Question 3

How many cartilages can be found in the larynx?

Answer 3

6

Question 4

Name the 3 single cartilages of the larynx

Answer 4

1. Thyroid
2. Cricoid
3. Epiglottis

Question 5

Name the 3 pairs cartilages of the larynx

Answer 5

1. Arytenoid
2. Corniculate
3. Cuneiform

Question 6

Describe 2 major features of the thyroid cartilage

Answer 6

1. Contains a superior and inferior cornua

2. Has an oblique which is the site of muscle attachment

Question 7

What is attached to the superior boarder of the thyroid?

Answer 7

Thyrohyoid ligament

Question 8

What is attached to the inferior boarder of the thyroid?

Answer 8

Cricothyroid ligament

Question 9

What is the correct term for Adam’s apple?

Answer 9

Laryngeal prominence

Question 10

Describe the articulation of the thyroid cartilage with the cricoid cartilage

Answer 10

Bilateral

Question 11

Where is the cricoid cartilage found?

Answer 11

Posterior aspect of the larynx

Question 12

Describe the epiglottis

Answer 12

Leaf-like, elastic fibrocartilage

Question 13

What connects the thyroid cartilage and epiglottis?

Answer 13

Thryroepiglottic ligament

Question 14

What attaches the side of the epiglottis to the arytenoid cartilages?

Answer 14

Aryepiglottic folds

Question 15

What is epiglottitis?

Answer 15

Inflammation of the epiglottis

Question 16

What are the 2 processes found on the arytenoid cartilage?

Answer 16

1. Vocal process

2. Muscular process

Question 17

What muscles attach to the muscular process of the arytenoid cartilage?

Answer 17

Cricoarytenoid muscles

Question 18

Describe 3 features of the corniculate cartilage

Answer 18

1. Elastic fibrocartilage
2. Synovial joint with arytenoid or fuse with its apex
3. Situated in aryepiglottic fold

Question 19

Describe 3 features of the cuneiform cartilage

Answer 19

1. Elastic fibrocartilage
2. Lateral to corniculate cartilage
3. Situated in aryepiglottic fold

Question 20

What are 3 membranes found in the larynx?

Answer 20

1. Thyrohyoid
2. Quadrangular membrane
3. Cricothyroid membrane

Question 21

What do the quadrangular and cricothyroid membranes form?

Answer 21

Fibro-elastic membranes of the larynx

Question 22

Name 6 ligaments present in the larynx

Answer 22

1. Hyoepiglottic ligament
2. Cricotracheal ligament
3. Thyrohyoid ligaments
4. Vestibular ligament
5. Vocal ligament
6. Aryepiglottic ligament

Question 23

Where is the thyrohyoid membrane found?

Answer 23

Between the superior margin of thyroid and hyoid

Question 24

Name 2 things which pass through the aperture in the thyrohyoid membrane

Answer 24

1. Superior laryngeal arteries

2. Internal laryngeal nerve

Question 25

What does the posterior boarder of thyrohyoid membrane form?

Answer 25

Lateral thyrohyoid ligament

Question 26

What does the midline of thyrohyoid membrane form?

Answer 26

Median thyrohyoid ligament

Question 27

How are the thyrohyoid ligaments formed?

Answer 27

Thickenings of the thyrohyoid membrane

Question 28

Where is the hyoepiglottic ligament found?

Answer 28

Midline of epiglottis to body of hyoid bone

Question 29

Where is the cricotracheal ligament found?

Answer 29

Lower boarder of cricoid to the first tracheal cartilage

Question 30

Where is the quadrangular membrane found?

Answer 30

Between epiglottis and arytenoid

Question 31

What ligament is formed by the lower free margin of quadrangular membrane?

Answer 31

Vestibular ligament

Question 32

What is another name for the vestibular ligament?

Answer 32

False vocal cord

Question 33

What ligament is formed by upper boarder of quadrangular membrane?

Answer 33

Aryepiglottic ligament

Question 34

Where is the lower margin of the cricothyroid membrane attached?

Answer 34

Upper boarder of cricoid cartilage

Question 35

What ligament is formed by the upper free margin of the cricothyroid membrane?

Answer 35

Vocal ligament

Question 36

What is another name for the vocal ligament?

Answer 36

True vocal cords

Question 37

What is the anterior attachment of the vocal ligament?

Answer 37

Deep surface of thyroid cartilage

Question 38

What is the posterior attachment of the vocal ligament?

Answer 38

Vocal process of arytenoid

Question 39

What are the 3 major regions of the larynx?

Answer 39

1. Vestibule 2. Ventricle 3. Infraglottic space

Question 40

Where is the vestibule of the larynx found?

Answer 40

Between the laryngeal inlet and vestibular ligaments

Question 41

Where is the ventricle of the larynx found?

Answer 41

Middle part of the laryngeal cavity between vestibular and vocal ligaments

Question 42

Where is the infraglottic space of the larynx found?

Answer 42

Below the vocal ligaments