Exam 2: Larynx

Question 1

Larynx connects

Answer 1

Lower part of pharynx to trachea

Question 2

Functions of larynx

Answer 2

1. Prevents passage of food into airway
2. Regulates flow of air into lungs
3. Vocalization

Question 3

Larynx lies at which vertebral level

Answer 3

C3-C6

Question 4

6 cartilages of larynx

Answer 4

1. Thyroid
2. Cricoid
3. Epiglottic
4. Arytenoid
5. Corniculate
6. Cuneiform

Question 5

Which part of thyroid cartilage is the “Adam’s Apple”

Answer 5

Laryngeal prominence

Question 6

Most inferior of laryngeal cartilages

Answer 6

Cricoid

Question 7

Spoon-shaped cartilage lies behind root of tongue and body of hyoid

Answer 7

Epiglottic

Question 8

Lower end of epiglottic cart. attached to back of laryngeal prominence by

Answer 8

Thyroepiglottic ligament

Question 9

Paired cartilages, pyramidal, articulate with cricoid cartilage

Answer 9

Arytenoid cartilage

Question 10

2 processes on arytenoid cartilages

Answer 10

Vocal process (vocal lig)
Muscular process (intrinsic muscles of larynx)

Question 11

Paired cartilages, lie on apices of arytenoid cartilages

Answer 11

Corniculate cartilages

Question 12

Paired cartilages, lie in aryepiglottic folds

Answer 12

Cuneiform cartilages

Question 13

Cricothyroid joint is between

Answer 13

Side of cricoid cartilage and inferior horn of thyroid cartilage

Question 14

Cricothyroid joint permits what movement

Answer 14

Rotation of thyroid cartilage around horizontal axis

Question 15

Cricoarytenoid joint is between

Answer 15

Upper border of cricoid cartilage and base of arytenoid cartilage

Question 16

Cricoarytenoid joint permits what movement

Answer 16

Gliding and rotation of arytenoid cartilage on cricoid cartilage

Question 17

Thyrohyoid membrane is between

Answer 17

Thyroid cartilage and hyoid bone

Question 18

Thyrohyoid membrane is pierced by

Answer 18

Internal laryngeal nerve and superior laryngeal vessels

Question 19

Median cricothyroid ligament is between

Answer 19

Arch of cricoid cartilage to thyroid cartilage

Question 20

Vocal ligament is between

Answer 20

Thyroid cartilage to vocal process of arytenoid cartilage

Question 21

Conus elasticus location

Answer 21

Extends up from cricoid cartilage to vocal ligament

Question 22

Quadrangular membrane connects

Answer 22

Epiglottic cartilage to aryntenoid cartilage

Question 23

Superior margin of quadrangular membrane

Answer 23

Forms aryepiglottic ligament

Question 24

Inferior margin of quadrangular membrane

Answer 24

Forms vestibular ligament

Question 25

2 pairs of folds

Answer 25

1. Vestibular folds (false vocal) | 2. Vocal folds (true vocal)

Question 26

Vocal folds contain ____ ligament and ____ muscle.

Answer 26

Vocal ligament | Vocalis muscle

Question 27

______ forms bulk of vocal fold

Answer 27

Vocalis muscle

Question 28

Rima vestibuli

Answer 28

Space between vestibular folds

Question 29

Rima glottidis

Answer 29

Space between vocal folds

Question 30

3 cavities of larynx

Answer 30

1. Laryngeal vestibule 2. Laryngeal ventricles 3. Infraglottic cavity

Question 31

Laryngeal saccule

Answer 31

Small diverticulum within laryngeal ventricle

Question 32

Laryngeal saccule contains

Answer 32

Glands which lubricate vocal folds

Question 33

Hoarseness due to excessive speaking/singing caused by

Answer 33

Lubricant from saccule temporarily depletes

Question 34

Extrinsic muscles of larynx function

Answer 34

Move larynx as a whole

Question 35

Elevator extrinsic muscles of larynx

Answer 35

1. Thyrohyoid 2. Stylohyoid 3. Mylohyoid 4. Digastric 5. Stylopharyngeus 6. Palatopharyngeus

Question 36

Depressor extrinsic muscles of larynx

Answer 36

1. Omohyoid 2. Sternohyoid 3. Sternothyroid

Question 37

Recurrent laryngeal nerve motor to

Answer 37

Intrinsic muscles of larynx except cricothyroid

Question 38

Recurrent laryngeal nerve sensory to

Answer 38

Mucosa of larynx below vocal fold

Question 39

Internal laryngeal nerve sensory to

Answer 39

Mucosa of larynx above vocal folds

Question 40

External laryngeal nerve motor to

Answer 40

Cricothyroid and inferior constrictor muscles

Question 41

Blood supply of larynx

Answer 41

Superior laryngeal artery | Inferior laryngeal artery

Question 42

Oblique line of thyroid cartilage is attachment site for which muscles

Answer 42

Inferior constrictor Sternothyroid Thyrohyoid

Question 43

Cricoid cartilage consists of

Answer 43

Narrow, anterior arch | Broad, posterior lamina

Question 44

Vocal process of arytenoid cartilage

Answer 44

Attachment to vocal ligament

Question 45

Muscular process of arytenoid cartilage

Answer 45

Attachment to intrinsic muscles of larynx

Question 46

Size and shape of rima glottidis is altered during

Answer 46

Phonation and respiration

Question 47

Rima glottidis is ______ during inspiration

Answer 47

Wide

Question 48

Rima glottidis is ______________ during expiration and phonation

Answer 48

Narrow and wedge shaped

Question 49

What determines pitch

Answer 49

Tension of vocal folds

Question 50

To raise pitch what happens to tension

Answer 50

Increased

Question 51

To Lower the pitch what happens to tension

Answer 51

Decreased