Larynx

Question 1

what are the 2 types of cartilage in laryngopharynx

Answer 1

thyroid cartilage

cricoid cartilage

Question 2

what are the 3 regions of the larynx

Answer 2

vestibule
ventricle
infraglottic

Question 3

where does the vestibule region lie

Answer 3

between inlet and vestitublar folds

Question 4

where does the ventricle lie

Answer 4

between the vestibular and vocal folds

Question 5

where does the infraglottic lie

Answer 5

inferior to the vocal folds and above trachea

Question 6

what are the 3 unpaired cartilage

Answer 6

thyroid
cricoid
and epiglottis

Question 7

what are the 3 paired cartilage

Answer 7

aryternoid
corniculate
triticeal

Question 8

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

Answer 8

hyo-epiglottic ligament

Question 9

where is the thyroepiglottic ligament found?

Answer 9

attaching the epiglottis to the thyroid cartilage

inferior on the epiglottis

Question 10

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

Answer 10

oblique line

Question 11

what attaches to the superior horn of the thyroid cartilage?

Answer 11

lateral thyrohyoid ligaments to the hyoid bone

Question 12

what does the inferior thyroid cartilage articulate with?

Answer 12

cricoid cartilage

Question 13

what are the 3 extrinsic muscles of the larynx

Answer 13

sternothyroid, thyrohyoid, and inferior constrictor m

Question 14

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

Answer 14

hyaline

Question 15

where does the vocal cords attach?

Answer 15

vocal processes on arytenoid cartilage

Question 16

what lies in aryepiglottic fold?

Answer 16

corniculate cartilage

Question 17

what kind of cartilage is corniculate

Answer 17

elastic

Question 18

what kind of cartilage is cuneiform

Answer 18

hyaline

Question 19

what fold helps move the epiglottis to cover laryngeal inlet?

Answer 19

ary-epiglottic fold

Question 20

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

Answer 20

triticeal cartilage

Question 21

what kind of joints are between the cricoid and thyroid cartilages

Answer 21

synovial joints

Question 22

what holds the cricothyroid joints together

Answer 22

cricothyroid ligaments

Question 23

what is the function of the cricothyroid joints?

Answer 23

helps anteriorly tilt the thyroid cartilage

Question 24

where does the external laryngeal n go to

Answer 24

cricothyroid membrane/muscle

Question 25

where goes to the thyrohyoid membrane

Answer 25

internal laryngeal n

Question 26

what membrane runs from the epiglottis to the vestibular folds?

Answer 26

quadrangular membrane

Question 27

what is under the quadrangular membrane

Answer 27

aryepiglottic m

Question 28

what does the inferior laryngeal n innervate

Answer 28

intrinsic muscles of the larynx

Question 29

what does the vestibular fold cover

Answer 29

vestibular ligament

Question 30

which fold is the false vocal cords

Answer 30

vestibular fold

Question 31

what covers the vocal ligament?

Answer 31

vocal fold

Question 32

which fold is the true vocal cords

Answer 32

vocal fold

Question 33

what are the 4 spaces of the larynx

Answer 33

aditus vestibule ventricle infraglottic cavity

Question 34

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

Answer 34

laryngeal ventricle

Question 35

what is the superior border of the cricoid thyroid ligament

Answer 35

true vocal fold

Question 36

what is the space called between the two vestibular folds

Answer 36

rima vestibuli

Question 37

what is the space between two true vocal folds

Answer 37

rima glottidis

Question 38

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

Answer 38

vestibule

Question 39

what causes tilting of the thyroid cartilage anteriorly

Answer 39

cricothyroid muscle

Question 40

what is the only muscle to do abduction

Answer 40

posterior crico-arytenoid

Question 41

what muscles adduct

Answer 41

transverse arytenoid lateral crico-arytenoid oblique arytenoid

Question 42

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

Answer 42

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

Question 43

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

Answer 43

relaxation of the vocal ligament

Question 44

relaxation and tension of the vocal ligaments causes what?

Answer 44

different pitches and sounds

Question 45

what muscles does laryngospasm deal with?

Answer 45

posterior cryoarytenoid mm

Question 46

laryngospam is spasmodic closure of ____

Answer 46

glottis

Question 47

what can laryngospasm cause

Answer 47

death due to not being able to breath

Question 48

what supplys upper larynx?

Answer 48

superior laryngeal a

Question 49

what gives off superior laryngeal a?

Answer 49

superior thyroid a from ECA

Question 50

what supplies lower larynx

Answer 50

inferior laryngeal a

Question 51

what gives off inferior laryngeal a?

Answer 51

inferior thyroid a from thyrocervical trunk

Question 52

innervates thyrohyoid membrane?

Answer 52

internal laryngeal n

Question 53

innervates cricothyroid muscle?

Answer 53

external laryngeal n

Question 54

what gives off internal and external laryngeal nerves?

Answer 54

superior laryngeal from CN X

Question 55

injury to internal laryngeal n?

Answer 55

causes sesnory loss to superior larynx

Question 56

injury to inferior laryngeal n?

Answer 56

paralysis ipilateral | hoarseness

Question 57

inferior laryngeal n is ___ control of larynx

Answer 57

MOTOR

Question 58

sensory loss is a danger to ___

Answer 58

choking