Anatomy: The Larynx

Question 1

Between what vertebral levels is the larynx

Answer 1

C4 and C6

Question 2

What level of the vertebrae is the hyoid bone

Answer 2

C3

Question 3

what vertebral level is the cricoid cartilage

Answer 3

c6

Question 4

what vertebral level is the upper border of the thyroid cartilage

Answer 4

c4/5

Question 5

at what level does the larynx become the trachea and the pharynx become the oesophagus

Answer 5

C6

Question 6

what are all the parts of the skeleton of the laryx

Answer 6

the epiglottis (elastic cartilage)
the thyoid, cricoid, arytenoid, corniculate and cuneiform cartilages (hyaline)

Question 7

what is the access point for a cricrothyroid puncture

Answer 7

cricothyroid membrane

Question 8

what forms the anterior wall of thetrachea

Answer 8

c shaped hyaline cartilage

Question 9

what forms the posterior wall of the trachea

Answer 9

trachealis (smooth muscle)

Question 10

what is the name of the adams apple

Answer 10

laryngeal prominence

Question 11

what type of joint is the cricrothyroid joint

Answer 11

synovial

Question 12

where do the vocal cords attach

Answer 12

between the thyroid cartilage and the vocal processes of the arytenoid cartilage

Question 13

what is the name of the space between the tongue and the epiglottis

Answer 13

the valecula

Question 14

what type of epithelium lines the larynx

Answer 14

respiratory except the vocal cord

Question 15

what epithelium lines the vocal cords

Answer 15

stratified squamous epithelium

Question 16

what are the vocal folds

Answer 16

mucosa covering the vocal cords

Question 17

what supplies sensory nerve supply to the vocal fold and the inferior part of the larynx

Answer 17

recurrent laryngeal branches of the vagus nerve

Question 18

what gives somatic motor supply to the vocal cords

Answer 18

vagus nerve

Question 19

what muscles tense the vocal cords

Answer 19

the cricrothyroids

Question 20

what muscle relaxes the vocal cords

Answer 20

the thyroarytenoids

Question 21

What is the superior part of the thyroaytenoid

Answer 21

the vocalis

Question 22

what adducts the vocal cords

Answer 22

the lateral crico arytenoids

Question 23

what effect does lateral crircroarytenoid contraction have

Answer 23

‘whispering position

Question 24

how is phonation achieve

Answer 24

the aryteynoids adduct the arytenoid cartilages assisting lateral cricro arytenoids in gently closing the rima glottidis

Question 25

what are the two types or arytenoid musces

Answer 25

oblique

transverse

Question 26

when will tight closure of the airway sphincter occure

Answer 26

contraction of lateral cricro arytenoids, arytenoids and cricrothyroid

Question 27

what abducts the vocal cords

Answer 27

the posterior cricro arytenoids

Question 28

What gives sensory nerve supply superior to the vocal fold.

Answer 28

superior laryngeal branches of the vagus

Question 29

what gives sensory nerves supply inferior to the vocal cord

Answer 29

the recurrent laryngeal branches of the vagus