Anatomy of the Larynx

Podcast

Play an AI-generated podcast conversation about this lesson

Download our mobile app to listen on the go

Get App

Questions and Answers

What is the function of the larynx?

To facilitate swallowing
To regulate breathing rate
To produce sound
To act as a valve and produce sound (correct)

Where is the larynx located?

In the midline of the neck (correct)
In the midline of the pelvis
In the midline of the thorax
In the midline of the abdomen

What type of structure is the larynx?

A solid cartilaginous structure
A hollow musculoligamentous structure (correct)
A hollow fibrous structure
A hollow bony structure

What is the function of the extrinsic muscles that attach to the larynx?

To move the larynx up and down and forward and backward (D) Signup and view all the answers

What is the name of the unpaired cartilage of the larynx?

Thyroid cartilage (D) Signup and view all the answers

What happens to the larynx during swallowing?

It moves upward and forward (A) Signup and view all the answers

What is the shape of the cricoid cartilage?

Signet-ring (B) Signup and view all the answers

What is the shape of the arytenoid cartilage?

Pyramidal (D) Signup and view all the answers

What is the attachment point of the epiglottis?

Back of the thyroid cartilage (A) Signup and view all the answers

What is the angle between the two laminae of the thyroid cartilage in men?

90° (A) Signup and view all the answers

What articulates with the superior facet of the quadrate lamina of the cricoid cartilage?

Base of the arytenoid cartilage (C) Signup and view all the answers

What is the shape of the thyroid cartilage?

Open book (C) Signup and view all the answers

What is the location of the cuneiform cartilage?

Above the corniculate cartilage (C) Signup and view all the answers

What connects the cartilages of the larynx to each other?

A group of joints, muscles, and membranes and ligaments (C) Signup and view all the answers

What is the name of the membrane that has a free upper border attached between the back of the angle of the thyroid cartilage and the vocal process of the arytenoid cartilage?

Cricothyroid membrane (C) Signup and view all the answers

What is the direction of the inlet of the larynx?

Upwards and backwards (B) Signup and view all the answers

What are the boundaries of the inlet of the larynx?

Anterior: Upper edge of the epiglottis, On each side: Aryepiglottic folds (A) Signup and view all the answers

How many cricothyroid joints are present in the larynx?

One on each side (A) Signup and view all the answers

What is the space between the 2 true vocal cords?

Rima glottidis (D) Signup and view all the answers

Which of the following muscles closes the laryngeal inlet?

Interarytenoid (transverse&oblique) (A) Signup and view all the answers

What is the upper free margin of the cricothyroid membrane?

Vocal folds (C) Signup and view all the answers

What is the area between the inlet and the vestibular folds?

Vestibule of the larynx (C) Signup and view all the answers

Where do the vocal folds extend from?

Between the angle of the thyroid cartilage and the vocal process of the arytenoid cartilage (A) Signup and view all the answers

What is the lower free margin of the quadrate membrane on each side?

Vestibular folds (B) Signup and view all the answers

What is responsible for opening the laryngeal inlet?

Elastic recoil of the epiglottis (B) Signup and view all the answers

Which artery supplies the larynx above the vocal cords?

Superior laryngeal artery (C) Signup and view all the answers

Which nerve is responsible for the sensory supply of the larynx above the vocal cords?

Internal laryngeal nerve (D) Signup and view all the answers

What is the mechanism of voice production in the larynx?

Vibration of the vocal cords due to the passage of jets of air (A) Signup and view all the answers

Which muscle is responsible for the movement of the cricothyroid joints?

Cricothyroid muscle (A) Signup and view all the answers

What is the nerve supply of the larynx?

Branches of the vagus nerve (B) Signup and view all the answers

Flashcards

Function of the Larynx?

Acts as a valve and produces sound.

Location of the Larynx?

In the midline of the neck.