The Larynx

Question 1

What does the larynx produce?

Answer 1

A sound

Question 2

Answer 2

Question 3

With which structure is the larynx continuous with superiorly?

Answer 3

Eppiglotic folds

Question 4

What does it continue as inferiorly?

Answer 4

Trachea

Question 5

Answer 5

Question 6

Answer 6

Question 7

The prominence on which of these cartilages makes the “Adam’s apple” in males?

Answer 7

Thyroid cartilage

Question 8

Which of these cartilages is paired?

Answer 8

Arytenoid, Corniculate, & Cuneform Cartilage

Question 9

Which of these cartilages is a complete ring shaped cartilage?

Answer 9

Cricoid cartilage

Question 10

Answer 10

Question 11

The space between the laryngeal cartilages is occupied by?

Answer 11

Dense connective tissue membranes

Question 12

Answer 12

Question 13

Answer 13

Question 14

Answer 14

Question 15

What membrane lies inferior to the vocal cord?

Answer 15

Cricothyroid ligament

Question 16

Why is the cricothyroid ligament important?

Answer 16

Due to its position inferior to the vocal cords, this membrane is sometimes pierced in emergency situations when acute swelling of the vocal cords (due to an anaphylactic reaction) causes stridor. (Coniotomy)

Question 17

What is the laryngeal inlet?

Answer 17

Epiglottic cartilage

2 Aryepiglottic fold

3 Arytenoid cartilage

4 Corniculate Cartilage

Question 18

What is the lumen of the pharynx divided into?

Answer 18

3 parts:

1. The vestibule, or upper part, is the area between the laryngeal inlet and the vestibular folds (or false vocal cords)
2. The middle part lies between the vestibular folds and the (true) vocal cords
3. The lower part extends from the vocal cords to the lower border of the cricoid cartilage.

Question 19

What are the vocal folds important for?

Answer 19

Voice production.

Intrinsic muscles of the larynx control movement of the vocal fold as well as the controlling the diameter of the laryngeal inlet.

Question 20

Answer 20

Question 21

Answer 21

Lateral view of cricothyroid

Question 22

What is the recurrent laryngeal nerve vunerable during?

Answer 22

Vulnerable during many invasive procedures of the neck so it is important that you examine the wet specimens and models available and familiarize yourself with the location of this nerve.

Question 23

What would happen if the recurrent laryngeal nerve was transected?

Answer 23

• Can result in a weakened voice (hoarseness) or loss of voice (aphonia)*
• Vocal cord paralysis*

Question 24

What is the sensory nerve supply to the mucous membrane of the larynx?

Answer 24

CN X branches – inferior branch of the superior laryngeal nerve & the recurrent laryngeal

Question 25

Idenity which one of these is in normal respiration, rapid brathign and then speajing

Answer 25

A- Speaking

B- Normal respiration

C- Rapid breathing