Larynnx

Question 1

Cartilages seen from the anterior view of Larynx

Answer 1

Epiglottis
Thyroid Cartilage
Cricoid Cartilage

Question 2

The only cartilage which forms Complete Ring

Answer 2

Cricoid Cartilage

In front side - Cricoid Arch

In back side - Cricoid Lamina

Question 3

Tritiate is what type of cartilage

Answer 3

Elastic cartilage present in the Thyrohyoid membrane

And is the 4th Pair

Question 4

UnPaired Cartilage of Larynx

Answer 4

Epiglottis
Thyroid Cartilage
Cricoid Cartilage

Question 5

Paired Cartilage of Larynx

Answer 5

Arytenoid

Corniculate

Cuneiform

Question 6

Total Number of Laryngeal Cartilages

Answer 6

3 Paired + 3 Unpaired + (4th Pair)

= 9 > 11

Question 7

Which type of Cartilage will Ossify

Answer 7

Hyaline Cartilage

Question 8

Hyaline Cartilages in Larynx

Answer 8

Thyroid Cartilage
Cricoid Cartilage
Arytenoid Cartilage (except Apex - is elastic)

Question 9

Elastic Cartilages of Larynx

Answer 9

Epiglottis
Corniculate
Cuneiform
Apex of the Arytenoid

Question 10

Thickening of Lower end of Quadrangular Membrane is

Answer 10

Vestibular Ligament

Question 11

Thickening of Upper part of Cricovocal Membrane is

Answer 11

Vocal Ligament

Question 12

Space between Vestibular Fold is

Answer 12

Rima Vestibuli

Question 13

Space between Vocal fold is

Answer 13

Rima Glottidis

Question 14

Space between Laryngeal Inlet and Vestibular fold is

Answer 14

Vestibule

Question 15

Space between Vestibular fold and Vocal Fold is

Answer 15

Ventricle or Sinus

Question 16

Space below Vocal Fold

Answer 16

Infra Glottic Compartment

Question 17

Forward extension from the Ventricle is

Answer 17

Saccule of the larynx

Present between the quadrangular membrane and thyroid cartilage

Question 18

A Projection Present between the quadrangular membrane and thyroid cartilage is

Answer 18

Saccule ~ has mucous gland - secrets mucous

Question 19

Vocal cord is lined by ____________ epithelium

Answer 19

Stratified Squamous Epithelium

And mucous glands are absent in vocal cord

Question 20

Oilcan of larynx is

Answer 20

Saccule has mucous glands

Question 21

Vocal process of Arytenoid Cartilage gives attachment to

Answer 21

Vocal Ligament

Question 22

Action of Thyroarytenoid Muscle

Answer 22

Decreases the Space between Thyroid and Arytenoid →

Decrease in Length (shortening)of Vocal Ligament →

Relaxes Vocal Cord

Question 23

Posterior part of Vocalis Muscle behaves like

Answer 23

Behave like ThyroArytenoid Muscle ~ Relaxes the Vocal Cord

Question 24

Action of Anterior Part of Vocalis Muscle

Answer 24

Tense the Vocal Cord

Question 25

Action of CricoThyroid Muscle

Answer 25

Increases the Tension of Vocal Ligament Cricoid Arch Moves Up towards Thyroid Cartilage Cricoid Lamina - Move Down Vocal Ligament - Move Down Tenses the Vocal Cord

Question 26

Adduction of Vocal Cord is done by which muscles

Answer 26

Transverse Arytenoid and Lateral Crico-arytenoid Muscle

Question 27

Abduction of Vocal Ligaments done by which muscle

Answer 27

Posterior Crico-arytenoid Muscle

Question 28

Safety Muscle Of Larynx

Answer 28

Posterior Crico-arytenoid Muscle Allows air to enter the larynx

Question 29

Muscle Controlling the Laryngeal Inlet

Answer 29

Aryepiglotticus - close the Larynx Thyroepiglotticus - open the larynx OT ~ opening by Thyroepiglotticus

Question 30

Aryepiglottic Fold consists of

Answer 30

Aryepiglotticus Muscle and Thyroepiglotticus Muscle

Question 31

Laryngeal inlet is opened by

Answer 31

Thyroepiglotticus Muscle

Question 32

Aryepiglotticus Muscle is continuation of

Answer 32

Oblique muscle

Question 33

Superior Laryngeal Nerve is a branch of

Answer 33

Vagus Nerve

Question 34

Superior Laryngeal Nerve is divided into

Answer 34

Internal Laryngeal Nerve and External Laryngeal Nerve

Question 35

External Laryngeal Nerve Supplies ____________ Muscle And it is closely accompanied by _________

Answer 35

It supplies Cricothyroid Muscle Closely accompanied by Superior Thyroid Artery

Question 36

Internal Laryngeal Nerve Supplies

Answer 36

Sensory supply to Laryngeal Mucosa above the Vocal cord

Question 37

Sensory Supply To Laryngeal Mucosa Below the Vocal Cord is supplied by

Answer 37

Recurrent Laryngeal Nerve Is Mixed Nerve

Question 38

Vocal Cord is supplied by which nerve?

Answer 38

Both Internal and Recurrent Laryngeal Nerve

Question 39

The anastomosis between Internal Laryngeal Nerve + Recurrent Laryngeal Nerve is called

Answer 39

Galllen’s Anastomosis

Question 40

Motor Supply to all muscles of Larynx is supplied by Except

Answer 40

Recurrent Laryngeal Nerve gives motor supply to all Intrinsic Laryngeal muscles except Cricothyroid Muscle

Question 41

The patient is having aspiration but no voice change. Which nerve is affected?

Answer 41

Internal Laryngeal Nerve is injured No Cough Reflex Aspiration without voice change

Question 42

Safety Nerve of Larynx

Answer 42

Internal Laryngeal Nerve Supplying Laryngeal Mucosa above the Vocal Fold If any foreign body enters in this part of larynx Internal Laryngeal Nerve will get Stimulated Initiate the Cough Reflex Prevents aspiration