Larynx

Question 1

Name the three functions of the larynx and indicate the most important

Answer 1

• part of the air passages
• car as a sphincter
• SOUND PRODUCTION

Question 2

Sound production from the larynx

Answer 2

Act as the organ of phonation

-controls the expulsion of air from the lungs to produce sounds

Question 3

Where is the larynx located?

Answer 3

C4-c6

Question 4

What makes up the layngeal skeleton?

Answer 4

CARTILAGE

-3 unpaired cartilages and 3 paired

Question 5

Name the unpaired cartilages

Answer 5

• thyroid
• cricoid
• epiglottis

Question 6

Name the paired cartilages

Answer 6

• arytenoid
• corniculate
• cuneiform

Question 7

What is the most inferior and most superior paired cartilages

Answer 7

Inferior-arytenoid

-superior-cuneiform

Question 8

The two plate laminae fuse anteriorly to form what

Answer 8

Laryngeal prominence (Adams apple)

Question 9

What notch is located above the laryngeal prominence

Answer 9

Superior laryngeal notch

Question 10

What do the inferior horns of thyroid cartilages articulate with?

Answer 10

Cricoid cartilage

Question 11

What is the oblique line and what does it attach?

Answer 11

• a ridge on the lateral aspect of the thyroid cartilage

- gives attachment to sternothyroid, thyrohyoid, and inferior pharyngeal constrictor muscle

Question 12

Where is cricoid cartilage located?

Answer 12

Inferior to the thyroid

Question 13

What is the cricoid cartilage shaped like?

Answer 13

• signet ring

- narrow arch anterior and wide lamina posterior

Question 14

What does the small articulate facet at the junction of the arch and the lamina of the cricoid articulate with?

Answer 14

The inferior horn of the thyroid cartilage

Question 15

The superior border of the lamina has two facets for articulation of what? (Lamina of the cricoid)

Answer 15

The bases of the arytenoid cartilages

Question 16

What marks the boundary between larynx and trachea?

Answer 16

Inferior border of the cricoid cartilage

Question 17

What ligament connects the inferior border of cricoid and first tracheal cartilage?

Answer 17

Cricotracheal ligament

Question 18

What kind of cartilage makes up epiglottis cartilage?

Answer 18

Elastic cartilage

Question 19

What connects the inferior end of epiglottis cartilage to the angle formed by laminae of thyroid cartilage

Answer 19

Thyroepiglottic ligament

Question 20

The anterior surface of epiglottis is attached to body of hyoid by…

Answer 20

Hyoepiglottic ligament

Question 21

What is the shape of arytenoid cartilage

Answer 21

-pyramidal cartilage on each side of the superior border of cricoid lamina

Question 22

Vocal process of arytenoid cartilage gives attachment yo what’s?

Answer 22

Vocal ligament

Question 23

Muscular process of arytenoid cartilage gives attachment to…

Answer 23

Posterior and lateral cricoarytenoid muscles

Question 24

What kind of joint is the cricothyroid?

Answer 24

Synovial joint

Question 25

Where is the cricothyroid joint?

Answer 25

Between articulate facet on the lateral aspect of cricoid cartilage and inferior horn road cartilage

Question 26

What kind of movement does cricothyroid joint allow?

Answer 26

Allow thyroid cartilage to tilt forward and backward on cricoid cartilage

Question 27

What is the action of cricothyroid muscles?

Answer 27

Lengthening and increasing tension of vocal ligaments