Larynx- Nbde I

Front 1

What are the unpaired cartilages of the larynx? (3)

Back 1

1. Thyroid cartilage
2. Cricoid cartilage
3. Epiglottic cartilage

Front 2

What are the paired cartilages of the larynx? (3)

Back 2

1. Arytenoid cartilages
2. Corniculate cartilages
3. Cuneiform cartilages

Front 3

Which cartilages of the larynx are elastic cartialge? (4)

Back 3

1. Epiglottic cartilage
2. Corniculate cartilages
3. Cuneiform cartilages
4. Arytenoid cartilages (elastic & hyaline)

Front 4

Median elevated called the laryngeal prominence is the?

Back 4

thyroid cartilage

Front 5

What membranes & ligaments are found in larynx? (5)

Back 5

1. Thyrohyoid membrane
2. Cricothyroid membrane
3. QUadrangular membrane
4. Vestibular ligament
5. Vocal ligament

Front 6

Level of cricoid cartilage?

Back 6

C6

Front 7

Extends from thyroid cartilage to medial surface of hyoid bone?

Back 7

Thyrohyoid membrane

Front 8

Lateral portion of thyrohyoid membrane is pierce by?

Back 8

1. INternal laryngeal nerve
2. Superior laryngeal vessels

Front 9

Extends from arch of cricoid cartilage to thyroid cartilage & vocal processes of arytenoid cartilages?

Back 9

Cricothyroid ligament

Front 10

Extends from posterior surface of thyroid cartilage to vocal process of arytenoid cartilage

Back 10

Vocal ligament

Front 11

Vocal ligament is considered to be the upper border of?

Back 11

Conus elasticus

Front 12

Extends from thyroid cartilage to anterior lateral surface of arytenoid cartilage?

Back 12

Vestibular (ventricular) ligament

Front 13

Paired lateral portion of fibroelastic membrane that extends between superior border of entire arch of cricoid cartilage & vocal ligaments?

Back 13

Conus elasticus

Front 14

Conus elasticus is formed by? (3)

Back 14

1. Cricothyroid
2. Median cricothyroid
3. Vocal ligaments

Front 15

What are the 3 portions of the laryngeal cavity?

Back 15

1. Vestibule
2. Ventricles
3. Infraglottic cavity

Front 16

Which cavity extends from laryngeal inlet to vestibular (ventricular) folds

Back 16

Vestibule

Front 17

Which cavity extens between vestibular fold & vocal fold

Back 17

Ventricles

Front 18

Which cavity extends from the rima glottidis to lower border of the cricoid cartilage?

Back 18

Infraglottic cavity

Front 19

What is the space between the vocal folds & arytenoid cartilages?

Back 19

Rima glottidis

Front 20

Which folds extend from thyroid cartilage above vocal ligament to artytenoid cartilage?

Back 20

Vestibular folds (false vocal cords)

Front 21

Which folds extend from angle of thyroid cartilage to vocal processes of arytenoid cartilages?

Back 21

Vocal folds (true vocal cords)

Front 22

What are the 2 laryngeal joints & what type of joints are they?

Back 22

Synovial Joints:
1. Cricoarytenoid
2. Cricothyroid

Front 23

Which muscle of the larynx TENSES the vocal folds?

Back 23

Cricothyroid

Front 24

What is the ONLY muscle innervated by the external branch of the superior laryngeal nerve?

Back 24

Cricothyroid muscle

Front 25

A lesion in the external branch of the superior laryngeal nerve would cause?

Back 25

Weakness in voice due to inability to tense vocal folds (Cricothyroid muscle)

Front 26

Which is the ONLY muscle of the larynx to ABDUCT the vocal folds?

Back 26

Posterior cricoarytenoid

Front 27

All of the laryngeal muscles EXCEPT Cricothyroid are innervated by what nerve?

Back 27

Recurrent laryngeal nerve

Front 28

Which muscles ADDUCT the vocal folds?

Back 28

1. Lateral cricothyroid
2. Transverse arytenoid
3. Oblique arytenoid
4. Aryepiglottic
5. Thyroarytenoid
6. Thyroepiglottic
7. Vocalis

Front 29

Which arteries supply the larynx?

Back 29

1. Superior laryngeal artery (from superior thyroid of ext. carotid)
2. Inferior laryngeal artery (from thyrocervical trunk)

Front 30

Internal branch of the superior laryngeal nerve supplies?

Back 30

Sensory above vocal folds

Front 31

Recurrent laryngeal nerve supplies?

Back 31

Sensory below vocal folds
All muscles of larynx except cricothyroid