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SP16 Anatomy Exam 2 > Larynx > Flashcards

Larynx Flashcards

1
Q

what are the 2 types of cartilage in laryngopharynx

A

thyroid cartilage

cricoid cartilage

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2
Q

what are the 3 regions of the larynx

A

vestibule
ventricle
infraglottic

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3
Q

where does the vestibule region lie

A

between inlet and vestitublar folds

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4
Q

where does the ventricle lie

A

between the vestibular and vocal folds

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5
Q

where does the infraglottic lie

A

inferior to the vocal folds and above trachea

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6
Q

what are the 3 unpaired cartilage

A

thyroid
cricoid
and epiglottis

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7
Q

what are the 3 paired cartilage

A

aryternoid
corniculate
triticeal

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8
Q

what holds the epiglottic up and out of the way for breathing?

A

hyo-epiglottic ligament

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9
Q

where is the thyroepiglottic ligament found?

A

attaching the epiglottis to the thyroid cartilage

inferior on the epiglottis

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10
Q

where does the extrinsic muscles of the larynx attach to the thyroid cartilage?

A

oblique line

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11
Q

what attaches to the superior horn of the thyroid cartilage?

A

lateral thyrohyoid ligaments to the hyoid bone

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12
Q

what does the inferior thyroid cartilage articulate with?

A

cricoid cartilage

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13
Q

what are the 3 extrinsic muscles of the larynx

A

sternothyroid, thyrohyoid, and inferior constrictor m

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14
Q

what kind of cartilage is the cricoid and thyroid cartilage made up

A

hyaline

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15
Q

where does the vocal cords attach?

A

vocal processes on arytenoid cartilage

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16
Q

what lies in aryepiglottic fold?

A

corniculate cartilage

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17
Q

what kind of cartilage is corniculate

A

elastic

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18
Q

what kind of cartilage is cuneiform

A

hyaline

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19
Q

what fold helps move the epiglottis to cover laryngeal inlet?

A

ary-epiglottic fold

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20
Q

what other cartilage is paired, lies in posterior fold of thyrohyoid membrane and isn’t always present?

A

triticeal cartilage

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21
Q

what kind of joints are between the cricoid and thyroid cartilages

A

synovial joints

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22
Q

what holds the cricothyroid joints together

A

cricothyroid ligaments

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23
Q

what is the function of the cricothyroid joints?

A

helps anteriorly tilt the thyroid cartilage

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24
Q

where does the external laryngeal n go to

A

cricothyroid membrane/muscle

25
Q

where goes to the thyrohyoid membrane

A

internal laryngeal n

26
Q

what membrane runs from the epiglottis to the vestibular folds?

A

quadrangular membrane

27
Q

what is under the quadrangular membrane

A

aryepiglottic m

28
Q

what does the inferior laryngeal n innervate

A

intrinsic muscles of the larynx

29
Q

what does the vestibular fold cover

A

vestibular ligament

30
Q

which fold is the false vocal cords

A

vestibular fold

31
Q

what covers the vocal ligament?

A

vocal fold

32
Q

which fold is the true vocal cords

A

vocal fold

33
Q

what are the 4 spaces of the larynx

A

aditus
vestibule
ventricle
infraglottic cavity

34
Q

what is the outpocketing in between the true and false vocal cords

A

laryngeal ventricle

35
Q

what is the superior border of the cricoid thyroid ligament

A

true vocal fold

36
Q

what is the space called between the two vestibular folds

A

rima vestibuli

37
Q

what is the space between two true vocal folds

A

rima glottidis

38
Q

where can food get stuck and you need the heimlinch maneuver done?

A

vestibule

39
Q

what causes tilting of the thyroid cartilage anteriorly

A

cricothyroid muscle

40
Q

what is the only muscle to do abduction

A

posterior crico-arytenoid

41
Q

what muscles adduct

A

transverse arytenoid
lateral crico-arytenoid
oblique arytenoid

42
Q

which 2 muscles pull the epiglottis over the laryngeal inlet to protect airway

A

ary-epiglottic part of oblique arytenoid m

thyro-epiglottic part of thyro-arytenoid m

43
Q

what is the function of the thyro-artyenoid and vocalis muscles

A

relaxation of the vocal ligament

44
Q

relaxation and tension of the vocal ligaments causes what?

A

different pitches and sounds

45
Q

what muscles does laryngospasm deal with?

A

posterior cryoarytenoid mm

46
Q

laryngospam is spasmodic closure of ____

A

glottis

47
Q

what can laryngospasm cause

A

death due to not being able to breath

48
Q

what supplys upper larynx?

A

superior laryngeal a

49
Q

what gives off superior laryngeal a?

A

superior thyroid a from ECA

50
Q

what supplies lower larynx

A

inferior laryngeal a

51
Q

what gives off inferior laryngeal a?

A

inferior thyroid a from thyrocervical trunk

52
Q

innervates thyrohyoid membrane?

A

internal laryngeal n

53
Q

innervates cricothyroid muscle?

A

external laryngeal n

54
Q

what gives off internal and external laryngeal nerves?

A

superior laryngeal from CN X

55
Q

injury to internal laryngeal n?

A

causes sesnory loss to superior larynx

56
Q

injury to inferior laryngeal n?

A

paralysis ipilateral

hoarseness

57
Q

inferior laryngeal n is ___ control of larynx

A

MOTOR

58
Q

sensory loss is a danger to ___

A

choking

SP16 Anatomy Exam 2 (14 decks)

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