Larynx

Question 1

List the cartilages of the larynx

Answer 1

Thyroid cartilage
Cricoid cartilage
Epiglottis
Arytenoid cartilages
Corniculate cartilage
Cuneiform cartilage
Triticeal cartilage

Question 2

What is the laryngeal prominence?

Answer 2

Adams Apple/ Projection of the thyroid cartilage

Question 3

What are the borders of the laryngeal inlet?

Answer 3

Ant: Free curved edge of the epiglottis
Post: Corniculate cartilage and interarytenoid fold
Lat: aryepiglottic fold

Question 4

What are the parts of the rima glottidis?

Answer 4

Intermembrenous part
intercartilagenous part

Question 5

What does the vocal fold consist of?

Answer 5

vocal ligament and the vocalis muscle

Question 6

Which muscle can open the rima glottidis?

Answer 6

Posterior cricoarytenoid muscle

Question 7

Which are those major laryngeal muscles that close the rima glottidis?

Answer 7

Lat. Cricoarytenoid muscle
Arytenoid muscle (oblique and transverse)

Question 8

Which are the fibro-elastic membranes of the larynx?

Answer 8

Quadrangular membrane (Sup)
Conus elasticus (Inf)

Question 9

Which nerve innervates the cricothyroid muscle?

Answer 9

Ext. Branch of the superior laryngeal nerve (Dervied from the vagus nerve)

Question 10

Which nerve supplies the mucous membrane of the infraglottic cavity?

Answer 10

Sensory branch of recurrent laryngeal nerve from the vagus nerve

Question 11

Which are the divisions of the laryngeal cavity?

Answer 11

Vestibule (above the cords)
laryngeal ventricles
tubular statute
infraglottic cavity (between the cords)