Phonation

Question 0

True vocal cords + anterior and posterior commissure

Answer 0

Glottis

Question 1

Region of the larynx above the true vocal folds up to tip of epiglottis

Answer 1

Supraglottis

Question 2

Region of larynx fromlower limit of glottis to lower margin of cricoid

Answer 2

Subglottis

Question 3

Manifestation of mass in glottis

Answer 3

Hoarseness, glottis cant vibrate

Question 4

Manifestation of mass in supraglottis

Answer 4

Swallowing is affected

Question 5

Manifestation of mass in subglottis

Answer 5

Breathing is affected

Question 6

Narrowest portion of the airway

Answer 6

Cricoid cartilage

Question 7

Area of larynx with little to no lymph nodes.

Answer 7

Glottis

Question 8

Motor innervation of cricothyroid?

Answer 8

Superior laryngeal nerve

Question 9

Action of thyroarytenoid

Answer 9

Adductor, tensor

Question 10

All laryngeal muscles adduct except?

Answer 10

Posterior cricoarytenoid

Question 11

Innervates the tracheoesophageal mucosa and tracheal smooth muscle

Answer 11

Nerve of galen

Question 12

Most important function of the larynx

Answer 12

Protection

Question 13

What nerve stimulates laryngeal adduction

Answer 13

Superior laryngeal

Question 14

Three muscles involved in laryngeal adduction

Answer 14

Aryepiglottic folds, false vocal cords, true vocal cords

Question 15

Muscle movements which cause laryngeal elevation

Answer 15

Thyrohyoid muscle contraction and sternohyoid muscle relaxation

Question 16

Stimulation of this nerve exerts inhibitory effect on medullary inspiratory neurons in deglutition apnea

Answer 16

Superior laryngeal nerve

Question 17

Four components necessary for phonation

Answer 17

Articulator, resonator, vibrator, generator

Question 18

Parts of the body which act as articulators

Answer 18

Tongue, lips, cheek, teeth, palate

Question 19

Part of the body which acts as resonator

Answer 19

Space above vocal folds where sound waves travel

Question 20

Vibrators in phonation

Answer 20

Vocal folds

Question 21

Generators in phonation

Answer 21

Air from breath

Question 22

Importance of closing of vocal folds in phonation

Answer 22

Build up subglottic pressure

Question 23

Muscles involved in expiration

Answer 23

Diaphragm and rib cage muscles

Question 24

This effect manifests when vocal folds separate and the pressure between them drops, immediately closing them back

Answer 24

Bernoulli effect

Question 25

Importance of closing of vocal folds in phonation

Answer 25

Build up subglottic pressure

Question 26

Muscles involved in expiration

Answer 26

Diaphragm and rib cage muscles

Question 27

This effect manifests when vocal folds separate and the pressure between them drops, immediately closing them back

Answer 27

Bernoulli effect