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OS 204 > Phonation > Flashcards

Phonation Flashcards

0
Q

True vocal cords + anterior and posterior commissure

A

Glottis

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1
Q

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

A

Supraglottis

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2
Q

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

A

Subglottis

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3
Q

Manifestation of mass in glottis

A

Hoarseness, glottis cant vibrate

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4
Q

Manifestation of mass in supraglottis

A

Swallowing is affected

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5
Q

Manifestation of mass in subglottis

A

Breathing is affected

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6
Q

Narrowest portion of the airway

A

Cricoid cartilage

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7
Q

Area of larynx with little to no lymph nodes.

A

Glottis

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8
Q

Motor innervation of cricothyroid?

A

Superior laryngeal nerve

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9
Q

Action of thyroarytenoid

A

Adductor, tensor

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10
Q

All laryngeal muscles adduct except?

A

Posterior cricoarytenoid

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11
Q

Innervates the tracheoesophageal mucosa and tracheal smooth muscle

A

Nerve of galen

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12
Q

Most important function of the larynx

A

Protection

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13
Q

What nerve stimulates laryngeal adduction

A

Superior laryngeal

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14
Q

Three muscles involved in laryngeal adduction

A

Aryepiglottic folds, false vocal cords, true vocal cords

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15
Q

Muscle movements which cause laryngeal elevation

A

Thyrohyoid muscle contraction and sternohyoid muscle relaxation

16
Q

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

A

Superior laryngeal nerve

17
Q

Four components necessary for phonation

A

Articulator, resonator, vibrator, generator

18
Q

Parts of the body which act as articulators

A

Tongue, lips, cheek, teeth, palate

19
Q

Part of the body which acts as resonator

A

Space above vocal folds where sound waves travel

20
Q

Vibrators in phonation

A

Vocal folds

21
Q

Generators in phonation

A

Air from breath

22
Q

Importance of closing of vocal folds in phonation

A

Build up subglottic pressure

23
Q

Muscles involved in expiration

A

Diaphragm and rib cage muscles

24
Q

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

A

Bernoulli effect

25
Q

Importance of closing of vocal folds in phonation

A

Build up subglottic pressure

26
Q

Muscles involved in expiration

A

Diaphragm and rib cage muscles

27
Q

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

A

Bernoulli effect

OS 204 (9 decks)

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