03 - Anatomy & Physiology - Larynx

Question 1

What composes the Larynx?

(4)

Answer 1

Hyoid Bone

Cartilages

Muscles

Ligaments + Membranes

Question 2

What are the two types of cartilages in the larynx?

Answer 2

Paired

Unpaired

Question 3

What are the three PAIRED cartilages?

Answer 3

Arytenoid

Cuneiform

Corniculate

Question 4

What are the three UNPAIRED cartilages?

Answer 4

Epiglottis

Thyroid

Cricoid

Question 5

How are the vocal folds positioned?

Answer 5

In a v-shape where the connected section starts at the thyroid/adam’s apple

Question 6

What is the Thyroid Cartilage composed of?

Answer 6

Two rectangular laminae fused anteriorly in the midline

Question 7

What is the Thyroid notch?

Answer 7

The incomplete fusion of the two thyroid laminae

Question 8

What is at the ends of each Thyroid Lamina?

Answer 8

The superior and inferior cornua

Question 9

What does the Thyroid’s Superior Cornua articulate with?

Answer 9

The greater horns of the hyoid bone

Question 10

What does the Thyroid’s Inferior Cornua form a joint with?

What kind of joint is it?

What is its name?

Answer 10

Cricoid Cartilage

Synovial joint

Cricothyroid Joint

Question 11

What is the Epiglottis?

Where is it attached?

Answer 11

Oblong, feather shaped fibroelastic cartilage

Inner surface of the Thyroid Laminae

Question 12

What is the job of the Epiglottis?

Answer 12

To prevent aspiration during swallowing

Question 13

What is the Cricoid Cartilage?

Answer 13

Ring shaped cartilage at the bottom of the larynx

Question 14

What is unique about the Cricoid Cartilage?

Answer 14

It is the only laryngeal cartilage to completely encircle the airway

Question 15

Where does the Cricoid Cartilage connect?

Answer 15

With the inferior cornua of the thyroid at the cricothyroid joint

Question 16

Does the Cricoid Cartilage attach to the Trachea?

Where and how?

Answer 16

Yes

The first tracheal ring via membranous attachments

Question 17

What are the Arytenoids?

Answer 17

Paired cartilages that are shaped like pyramids

Question 18

Where do the Arytenoids attach?

Answer 18

With the posterior lamina of the cricoid cartilage at the cricoarytenoid joint

Question 19

What does each Arytenoid have?

(2)

Answer 19

Vocal Process medially

Muscular Process laterally

Question 20

What is the job of the Arytenoids?

Answer 20

To move the vocal folds together

Question 21

What is this?

Answer 21

Larynx

A = Epiglottis

B = Hyoid Bone

C = Thyroid Cartilage

D = Cricoid Cartilage

E = Tracheal Cartilages

F = False Vocal Folds (Ventricular Folds)

G = Vocal Folds

Question 22

What is this?

Answer 22

Thyroid

A = Laryngeal Prominence

B = Superior Thyroid Notch

C = Lamina

D = Superior Horn

E = Inferior Horn

F = Facet for Cricoid

Question 23

What is this?

Answer 23

Cricoid

A = Arch

B = Cricotracheal Membrane

C = Articulation Facet for Inferior Horn of Thyroid

D = Articulation Facet for Arytenoid Cartilage

E = Cricoid Lamina

F = Articulation Facet for Arytenoid Cartilage

Question 24

What is this?

Answer 24

Arytenoids

A = Articulating Facet for Corniculus Cartilage

B = Medial Surface

C = Vocal Process

D = Depression for attachment of Vocalis Muscle

Question 25

What is this?

Answer 25

Epiglottis

A = Epiglottis

B = Thyroid Lamina

C = Cricoid

D = Trachea