Larynx

Question 1

unpaired larynx cartilages

Answer 1

ETC

• epiglottic
• thyroid
• cricoid

Question 2

paired larynx cartilages

Answer 2

ACC

• arytenoid
• corniculate
• cuneiform

Question 3

larynx membranes

Answer 3

• thyroid membrane
• median cricothyroid ligament
• cricotracheal ligament
• quadrangular membrane

Question 4

conus elasticus

Answer 4

• vocal ligament

- lateral cricothyroid ligament

Question 5

intrinsic muscles of larynx

Answer 5

CTT causes VPL

• cricothyroid m.
• thyroarytenoid m.
• transverse/oblique arytenoid m.
• vocalis m.
• posterior cricoarytenoid m.
• lateral cricoarytenoid m.

Question 6

cricothyroid muscle function

Answer 6

stretch/tense vocal ligament

Question 7

thyroarytenoid muscle function

Answer 7

relaxes vocal ligament

Question 8

transverse/oblique arytenoid muscle function

Answer 8

ADducts arytenoid cartilage (closes rima)

Question 9

vocalis muscle function

Answer 9

relaxes posterior ligament while maintaining tension in anterior part

Question 10

posterior cricoarytenoid muscle function

Answer 10

ABducts vocal folds (opens rima)

Question 11

lateral cricoarytenoid muscle function

Answer 11

ADducts vocal folds (closes rima)

Question 12

recurrent laryngeal nerve supplies _____

Answer 12

Motor

all laryngeal muscles (EXCEPT cricothyroid m.)

Question 13

external laryngeal nerve supplies ______

Answer 13

Motor

cricothyroid m.

Question 14

internal laryngeal nerve supplies_____

Answer 14

Sensory

glottis, laryngeal vestibule, vocal folds

Question 15

4th/6th pharyngeal arch derivatives

Answer 15

CCCAT

• cricoid cartilage
• coriculate cartilage
• cuneiform cartilage
• arytenoid cartilage
• thryoid cartilage