Exam 3 Quizzes

The vocal folds consist of____________ different histological layers. The outermost layer is the___________and the deepest layer is the________________

5; epithelium; thyroarytenoid muscle

The top border of the larynx is called the _________.

Aditus laryngis

To cover the upper entrance of the larynx, the ______ muscle pulls the epiglottis posteriorly and inferiorly.

Aryepiglottic

Which of the following are required for self-sustained oscillation?

No net loss of energy/ Added energy to compensate for loss of energy, inertia, stable equilibrium point

The only abductor muscle of the larynx is the:

Posterior cricoarytenoid (PCA)

Both cricoarytenoid joint motions contribute to the abduction and adduction in the vocal folds. The sliding motion additionally contributes to:

The lengthening or shortening

The glottis consists of the___________ commissure in the front, and_____________ commissure towards the back wall of the larynx.

anterior; posterior

The __________ provides the lining of the lower half of the larynx

conus elasticus

In the senior years, the fundamental frequency __________ between men and women.

converges

What cartilage is considered the "foundation" of the larynx?

cricoid cartilage

The suprahyoid muscles____________ the hyoid and larynx. The infrahyoid muscles________________ the hyoid.

elevate; depress

The _______________ cartilage is a leaf like structure that prevents food and liquid from entering the larynx during swallowing.

epiglottis

Internal membranes connect laryngeal cartilages to structures outside of the larynx.

false

The primary function of the larynx is phonation.

false

With a CONVERGENT glottis the lower portion of the glottis is less open than the upper portion.

false

True or False: The postural cartilages include the thyroid, cricoid, arytenoid, and corniculate cartilages.

false (not the corniculate cartilages)

The 3 major categories of phonatory adjustments are

frequency, intensity, spectrum

ABduction of the vocal folds means___________________ ADDuction of the vocal folds means___________________

moving them apart; moving them together

An infrahyoid muscle, the ___________ is a double bellied muscle on the antero-lateral surface of the neck.

omohyoid

The __________ go from the top of the aryepiglottic folds down to the ventricular ligament.

quadrangular membranes

The action of the pars recta of the cricothyroid ________ the distance between the cricoid arch and thyroid lamina.

reduces

What are the biomechanical components represented within the vocal fold system?

spring, mass/inertia, dashpot

According to the Body-Cover Theory, which of the following is NOT a part of the "Body"

superficial lamina propria

Inertance is the measure of resistance to change in airflow of gas.

true

The Digastric muscle is a paired muscle.

true

The effective mass is the portion of the vocal fold that is vibrating.

true

There is vertical phase difference in the loft register.

true

What does the Two Mass Model NOT account for?

variation in effective mass

The space between the vocal folds and the false vocal folds is the ____________.

ventricle

The specific vibrating mass of the vocal folds is thought to be the___________ while for the muscle as a whole, the ________________ muscle is thought to make up most of the main mass of the vocal folds.

vocalis; thyroarytenoid