Terms

Question 1

Abduction

Answer 1

The opening action of the vocal folds.

Question 2

Adduction

Answer 2

The closing action of the vocal folds.

Question 3

Arytenoid Cartilage

Answer 3

Two cartilages located on the back of the cricoid cartilage, They have a rocking and tipping action; this is responsible for vocal fold abduction and adduction.

Question 4

Cricoid Cartilage

Answer 4

The ring-shaped cartilage in the lower part of the larynx. The vocal folds insert onto this on the inside at the back.

Question 5

Cricothyroid

Answer 5

The muscle attached to the front sides of the thyroid cartilage and the outer sides of the cricoid cartilage. When contracted it pulls the thyroid forward and down, thereby lengthening the vocal folds and causing them to vibrate at a higher pitch.

Question 6

Diaphram

Answer 6

The principal muscle of inhalation/inspiration. It is dome-shaped and located inside the ribcage. Contraction results in a downward movement, pulling air into the lungs.

Question 7

Epiglotis

Answer 7

The flap of cartilage at the front of the larynx, which closes over the top during swallowing to prevent food entering the larynx.

Question 8

Glottis

Answer 8

The space between the vocal folds.

Question 9

Hyoid

Answer 9

The horseshoe shaped bone at the top of the larynx.

Question 10

Larynx

Answer 10

The tube-like organ located at the top of the windpipe, containing the vocal folds. Its primary function is as a valve to stop anything other than air from entering the lungs. Its secondary function is to trap air in the lungs enabling the abdominal muscles to push when high exertion is required. Its third function is to make sound.

Question 11

Pharynx

Answer 11

The throat, or the tube-like space between the back of the mouth and the top of the larynx.

Question 12

Phonation

Answer 12

Sound production.

Question 13

Thyroarytenoid

Answer 13

The muscle within the vocal fold, along with the vocalis. It attaches to the thyroid cartilage at the front and the arytenoid cartilages at the back. When it contracts, it shortens the vocal folds, lowering the frequency of vocal fold vibration.

Question 14

Thyroid cartilage

Answer 14

A laryngeal cartilage shaped like a curved shield. It can be felt at the front of the neck as the main prominent part of the larynx.

Question 15

Vocalis

Answer 15

Muscle within the vocal fold, which works along with the thyroarytenoid muscles.