larynx and trachea

Question 1

It is located in the anterior neck at the level of the bodies of C3 - C6 vertebrae

Answer 1

Larynx

Question 2

Skeleton of larynx consists of nine cartilages

Answer 2

, three are single (thyroid, cricoid and epiglottis) and three are paired (arytenoid, corniculate and cuneiform)

Question 3

is the largest, its superior border lies opposite the C4 vertebra, attached to the hyoid bone by the thyrohyoid membrane

Answer 3

Thyroid cartilage

Question 4

membrane is pierced by the internal laryngeal nerve and superior laryngeal artery

Answer 4

thyrohyoid membrane

Question 5

is shaped like a signet ring and its anterior part, the arch and posterior part, the lamina

Answer 5

Cricoid cartilage

Question 6

are paired, three - sided pyramidal cartilages that articulate with the lamina of cricoid cartilage

Answer 6

Arytenoid cartilages

Question 7

appear as small nodules in the posterior part of the ary - epiglottic folds

Answer 7

Cuneiform and corniculate cartilages

Question 8

heart - shaped cartilage, situated posterior to the root of the tongue

Answer 8

Epiglottis

Question 9

fold is the mucous fold which covers the vestibular ligament

Answer 9

Vestibular fold

Question 10

communicates with the larngopharynx

Answer 10

Laryngeal cavity

Question 11

Vocal folds (vocal cords)

Answer 11

control the sound production, contains the vocal ligament and vocalis muscle

Question 12

is a slit between the vocal folds

Answer 12

Rima glottidis

Question 13

All the intrinsic muscles are supplied by the recurrent laryngeal nerve except one

Answer 13

, cricothyroid

Question 14

is supplied by the external laryngeal nerve

Answer 14

cricothyroid

Question 15

Cricothyroid origin

Answer 15

from the anterolateral part of cricoid cartilage

Question 16

Cricothyroid insertion

Answer 16

into inferior horn of thyroid cartilage

Question 17

Cricothyroid action

Answer 17

is to stretch and tense the vocal ligament

Question 18

Thyro - arytenoid and Posterior cricoarytenoid

Answer 18

abduct the vocal folds

Question 19

Thyro - arytenoid origin

Answer 19

from the angle of thyroid laminae and cricothyroid ligament

Question 20

Thyro - arytenoid Insertion

Answer 20

into the anterolateral surface of arytenoid cartilage

Question 21

Thyro - arytenoid Nerve supply

Answer 21

by the inferior laryngeal nerve (terminal part of recurrent laryngeal nerve)

Question 22

Posterior cricoarytenoid origin

Answer 22

from the posterior surface of lamina of cricoid cartilage

Question 23

Posterior cricoarytenoid Insertion

Answer 23

into the vocal process of arytenoid cartilage

Question 24

Posterior cricoarytenoid nerve supply by the

Answer 24

inferior laryngeal nerve (terminal part of recurrent laryngeal nerve)

Question 25

Lateral cricoarytenoid

Answer 25

adduct arytenoid cartilages

Question 26

Lateral cricoarytenoid Origin

Answer 26

from the arch of cricoid cartilage

Question 27

Lateral cricoarytenoid insertion

Answer 27

into the vocal process of arytenoid cartilage

Question 28

Lateral cricoarytenoid nerve supply

Answer 28

the inferior laryngeal nerve (terminal part of recurrent laryngeal nerve)

Question 29

Transverse and oblique arytenoid from one arytenoid cartilage to the opposite arytenoid cartilage

Answer 29

adduct arytenoid cartilages

Question 30

Transverse and oblique arytenoid

Answer 30

by the inferior laryngeal nerve (terminal part of recurrent laryngeal nerve)

Question 31

Vocalis

Answer 31

is to relax posterior vocal ligament

Question 32

Vocalis origin

Answer 32

from the vocal process of arytenoid cartilage

Question 33

Vocalis insertion

Answer 33

into vocal ligament

Question 34

Vocalis Nerve supply by the

Answer 34

inferior laryngeal nerve (terminal part of recurrent laryngeal nerve)

Question 35

Superior laryngeal artery is a branch of superior thyroid artery, accompanies the

Answer 35

internal laryngeal nerve

Question 36

Cricothyroid artery is a small branch of ______ ______artery, supplies the cricothryoid muscle

Answer 36

superior thyroid

Question 37

Inferior laryngeal artery is a branch of inferior _____ artery, accompanies inferior ______ nerve / terminal branch of recurrent laryngeal nerve

Answer 37

thyroid, laryngeal

Question 38

the superior laryngeal and inferior laryngeal veins

Answer 38

Veins of the larynx

Question 39

Superior laryngeal nerve arises from ______ nerve, divides internal and external laryngeal nerves

Answer 39

vagus

Question 40

Internal laryngeal nerve supplies

Answer 40

sensory fibers to the mucous membrane superior to the vocal folds

Question 41

External laryngeal nerve runs with the _____ ______ artery

Answer 41

superior thyroid artery

Question 42

Inferior laryngeal nerve is the continuation of the recurrent laryngeal nerve, divides into _____ and _____ branches

Answer 42

anterior, posterior

Question 43

Ant. Laryngeal branch supplies

Answer 43

cricoarytenoid, thyroarytenoid, aryepiglottic, vocalis and thyroepiglottic muscles

Question 44

Post. Laryngeal Branch supplies

Answer 44

posterior cricoarytenoid, transverse and oblique arytenoid muscles

Question 45

supplies sensory fibers to the mucous membrane inferior to the vocal folds

Answer 45

Post. Laryngeal Branch

Question 46

transports air to and from the lungs, extends from the larynx into the thorax

Answer 46

Trachea

Question 47

It is a fibrocartilagious tube, supported by incomplete tracheal cartilages

Answer 47

hyaline cartilage

Question 48

is an involuntary, smooth muscle on the posterior gap in the tracheal rings

Answer 48

trachialis muscle

Question 49

It ends at the level of the sternal angle or the T4 - T5 disc, where it divides into right and left main bronchi

Answer 49

trachea