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SP16 Anatomy Exam 2 > Larynx > Flashcards

Flashcards in Larynx Deck (58):
1

what are the 2 types of cartilage in laryngopharynx

thyroid cartilage
cricoid cartilage

2

what are the 3 regions of the larynx

vestibule
ventricle
infraglottic

3

where does the vestibule region lie

between inlet and vestitublar folds

4

where does the ventricle lie

between the vestibular and vocal folds

5

where does the infraglottic lie

inferior to the vocal folds and above trachea

6

what are the 3 unpaired cartilage

thyroid
cricoid
and epiglottis

7

what are the 3 paired cartilage

aryternoid
corniculate
triticeal

8

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

hyo-epiglottic ligament

9

where is the thyroepiglottic ligament found?

attaching the epiglottis to the thyroid cartilage
inferior on the epiglottis

10

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

oblique line

11

what attaches to the superior horn of the thyroid cartilage?

lateral thyrohyoid ligaments to the hyoid bone

12

what does the inferior thyroid cartilage articulate with?

cricoid cartilage

13

what are the 3 extrinsic muscles of the larynx

sternothyroid, thyrohyoid, and inferior constrictor m

14

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

hyaline

15

where does the vocal cords attach?

vocal processes on arytenoid cartilage

16

what lies in aryepiglottic fold?

corniculate cartilage

17

what kind of cartilage is corniculate

elastic

18

what kind of cartilage is cuneiform

hyaline

19

what fold helps move the epiglottis to cover laryngeal inlet?

ary-epiglottic fold

20

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

triticeal cartilage

21

what kind of joints are between the cricoid and thyroid cartilages

synovial joints

22

what holds the cricothyroid joints together

cricothyroid ligaments

23

what is the function of the cricothyroid joints?

helps anteriorly tilt the thyroid cartilage

24

where does the external laryngeal n go to

cricothyroid membrane/muscle

25

where goes to the thyrohyoid membrane

internal laryngeal n

26

what membrane runs from the epiglottis to the vestibular folds?

quadrangular membrane

27

what is under the quadrangular membrane

aryepiglottic m

28

what does the inferior laryngeal n innervate

intrinsic muscles of the larynx

29

what does the vestibular fold cover

vestibular ligament

30

which fold is the false vocal cords

vestibular fold

31

what covers the vocal ligament?

vocal fold

32

which fold is the true vocal cords

vocal fold

33

what are the 4 spaces of the larynx

aditus
vestibule
ventricle
infraglottic cavity

34

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

laryngeal ventricle

35

what is the superior border of the cricoid thyroid ligament

true vocal fold

36

what is the space called between the two vestibular folds

rima vestibuli

37

what is the space between two true vocal folds

rima glottidis

38

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

vestibule

39

what causes tilting of the thyroid cartilage anteriorly

cricothyroid muscle

40

what is the only muscle to do abduction

posterior crico-arytenoid

41

what muscles adduct

transverse arytenoid
lateral crico-arytenoid
oblique arytenoid

42

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

ary-epiglottic part of oblique arytenoid m
thyro-epiglottic part of thyro-arytenoid m

43

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

relaxation of the vocal ligament

44

relaxation and tension of the vocal ligaments causes what?

different pitches and sounds

45

what muscles does laryngospasm deal with?

posterior cryoarytenoid mm

46

laryngospam is spasmodic closure of ____

glottis

47

what can laryngospasm cause

death due to not being able to breath

48

what supplys upper larynx?

superior laryngeal a

49

what gives off superior laryngeal a?

superior thyroid a from ECA

50

what supplies lower larynx

inferior laryngeal a

51

what gives off inferior laryngeal a?

inferior thyroid a from thyrocervical trunk

52

innervates thyrohyoid membrane?

internal laryngeal n

53

innervates cricothyroid muscle?

external laryngeal n

54

what gives off internal and external laryngeal nerves?

superior laryngeal from CN X

55

injury to internal laryngeal n?

causes sesnory loss to superior larynx

56

injury to inferior laryngeal n?

paralysis ipilateral
hoarseness

57

inferior laryngeal n is ___ control of larynx

MOTOR

58

sensory loss is a danger to ___

choking