Larynx

Question 1

Where is the larynx located?

Answer 1

Anterior neck

connecting the oropharynx and the trachea

Question 2

What is the role of the larynx?

Answer 2

Protection of passages

Question 3

How many cartilages on the larynx and how many paired and unpaired?

Answer 3

9 cartilages
3 paired
3 unpaired

Question 4

What are the paired cartilages?

Answer 4

Arytenoid
Corniculate
Cuneiform

Question 5

What are the unparied cartilages?

Answer 5

Thyroid
Cricoid
Epiglottis

Question 6

What is the largest cartilage?

Answer 6

Thyroid

Question 7

What do the two laminae on the thyroid form?

Answer 7

The laryngeal prominence- thyroid notch

Question 8

What does the thyroid cartilage connect?

Answer 8

Thyroid cartilage - hyoid bone

Question 9

What connects cricoid and thyroid cartilage?

Answer 9

Cricothyroid membrane

Question 10

How does the cricoid cartilage attach to 1st tracheal ring?

Answer 10

Cricotracheal ligament

Question 11

Where is the eppiglottis located?

Answer 11

Post. to the root of the tongue and hyoid bone

ant to the inlet of larynx

Question 12

What does the eppiglottis form?

Answer 12

Superior margin of laryngeal inlet

Question 13

Function of eppiglottis?

Answer 13

Seal off the trachea during swallowing to prevent aspiration

Question 14

How is the eppiglottis connected to the thyroid cartilage?

Answer 14

Thyroeppiglotic ligament

Question 15

What does the quadrangular membrane do?

Answer 15

Connects the eppiglottis to arytenoid cartilages

Question 16

What does the upper border of the quadrangular membrane form?

Answer 16

vestibular ligament and fold

Question 17

What does the lower border of the quadrangular membrane form?

Answer 17

Ary-epiglottic ligamnets and folds

Question 18

Where is the laryngeal cavity located?

Answer 18

Between the laryngeal inlet adn inferior border of the cricoid cartilage

Question 19

What are present in the laryngeal cavity?

Answer 19

Laryngeal verstibule
Middle region of the cavity
Laryngeal ventricle
Infra-glotic cavity

Question 20

What does each vocal fold contain?

Answer 20

Vocal ligament and vocalis muscle

Question 21

What is the role of the vocal folds?

Answer 21

Control the production of sound

Closes larynx to prevent choking

Question 22

What is the rima glottidis

Answer 22

aperature located between vocal folds

changes shape depending depending on the vocal folds

Question 23

What are the laryngeal muscles

Answer 23

Cricothyroid muscles
Thyro-arytenoid  muscles
Vocalis muscle 
Post. crico-arytenoid muscle
lateral crico-arytenoid muscle
Transverse and oblique arytenoid

Question 24

What is the only laryngeal muscle innervated by the external laryngeal nerves

Answer 24

Crico-thyroid muscle