Week 2 Session 3

Question 1

vertebral extent of the larynx

Answer 1

C3-C6

Question 2

4 major cartilages of the larynx

Answer 2

epiglottic, thyroid, cricoid and arytenoid

Question 3

which cartilage is a ring shape

Answer 3

cricoid

Question 4

which cartilage is the adam’s apple/laryngeal prominence

Answer 4

thyroid

Question 5

which cartilages are paired

Answer 5

arytenoids, corniculate and cuneiform

Question 6

membrane between hyoid bone and thyroid cartilage

Answer 6

thyrohyoid membrane

Question 7

membrane between thyroid and cricoid cartilages

Answer 7

median cricothyroid ligament

Question 8

4 components of the laryngeal inlet

Answer 8

epiglottis, corniculate cartilage, arytenoid catilage and aryepiglottic folds

Question 9

where are the corniculate cartilages

Answer 9

sitting on top of the arytenoid cartilages

Question 10

3 parts of the larynx lumen

Answer 10

vestibule/upper part
middle part between vestibular folds
lower part down to the cricoid

Question 11

the true vocal fold lies superior/inferior to the vestibular/false fold

Answer 11

inferior

Question 12

where is the laryngeal ventricle

Answer 12

between the false and true folds

Question 13

where is the laryngeall vestibule

Answer 13

top part of larynx lumen. From inlet to vestibular fold

Question 14

innervation of the intrinsic laryngeal muscles

Answer 14

recurrent laryngeal nerve (except the cricothyroid muscle)

Question 15

what bigger nerve is the recurrent laryngeal nerve a branch of

Answer 15

the vagus nerve

Question 16

what is the only intrinsic laryngeal muscle not to be innervated by the recurrent laryngeal nerve

Answer 16

cricothyroid muscle, lies on outside, innervated by superior laryngeal nerve

Question 17

the recurrent and superior laryngeal nerves are branches of what nerve

Answer 17

vagus

Question 18

what happens when the recurrent laryngeal nerve is damaged

Answer 18

hoarse voice

Question 19

vocal cords are adducted/abducted when speaking

Answer 19

adducted

Question 20

what major blood vessel does the recurrent laryngeal nerve pass behind

Answer 20

the common carotid

Question 21

when are the vocal cords most abducted

Answer 21

in forced heavy breathing (like after exercise)

Question 22

superior laryngeal nerve delivers sensory innervated to what part of the larynx

Answer 22

the mucous membrane

Question 23

with what structure is the larynx continuous superiorly

Answer 23

the hypopharynx

Question 24

bone that forms the roof of the nasopharynx

Answer 24

sphenoid bone

Question 25

what lies posterior to the larynx

Answer 25

the laryngopharynx

Question 26

3 divisions of the pharynx

Answer 26

naso, oro and larnygo

Question 27

extent of oropharynx

Answer 27

from soft palate down to base of tongue/top if epiglottis

Question 28

what prevents food from entering the trachea/larynx

Answer 28

epiglottis

Question 29

what prevents food from entering the naospharynx

Answer 29

soft palate

Question 30

3 plant pot looking muscles of the pharynx

Answer 30

superior, middle and inferior pharyngeal constrictor

Question 31

cranial nerves that innervate the pharynx

Answer 31

IX (glossopharyngeal) and X (vagus)

Question 32

which cranial nerve gives motor innervation to the pharynx

Answer 32

X (vagus)

Question 33

action of the pharyngeal constrictors

Answer 33

constrict pharynx walls during swallowning

Question 34

where does most of the pharyngeal sensory innervation come from

Answer 34

IX (glossopharyngeal)

Question 35

role of longitudinal muscles of pharynx

Answer 35

to elevate the larynx and shorten pharynx

Question 36

what is waldeyer’s ring

Answer 36

a lymphoid ring proctecting the back of the oropharynx

Question 37

what makes up the lymphoid ring

Answer 37

(naso)pharyngeal tonsils (adenoids), palatine tonsils and lingual tonsil