Chapter 5 Neck

How many cartilages make up the larynx?

9

what is the function of the hyoid bone?

Acts as an attachment site for muscles associated with wallowing.

The brachial plexus is located between the

Anterior scalene and middle scalene muscles

The common carotid artery bifurcates at the level of ________.

C3 and C4

The __________ cartilage forms the base of the larynx.

Cricoid

Which of the following is typically the largest vascular structure located in the neck?

Internal jugular vein

In the roof and posterior wall of the nasopharnyx is a collection of lymphoid tissue, known as the __________

Pharyneal tonsils

Which muscle covers most of the anterior surface of the neck?

Platysma

Foreign objects can commonly become lodged in the

Valleculae

Another name for the false vocal cords is the ________.

Vestibular folds

Trapezuis muscle

a superficial muscle located on the posterior portion of the neck that acts to elevate the scapula.

Scalene muscles

act to elevated the upper two ribs and flex the neck

laryngeal muscle

controls the position and tension of the vocal cords

The thyroid gland is located at the level of the

cricoid cartilage

Suprahyoid muscle

elevates the hyoid and floor of the mouth and tongue during swallowing and speaking.

The esophagus enters the abdominal cavity though an opening in the diaphragm termed the ________ to meet the stomach.

esophagealhiatus

The suprahyoid and infrahyoid regions of the neck can be further divided by______________ that separates the anatomy of each region into compartment or spaces that contain distinct anatomic structures.

fascial planes

The _____________ is the part of the larynx most directly involved with voice production.

glottis

Spenius capitis muscle

inserts on the occipital bone and acts to extend the head

Infrahyoid muscle

often called strap muscles because of their ribbon-like appearance

genioglossus muscle

one of the extrinsic muscles responsible for changing the position of the tongue

The _______ is a small pear- shaped cavity located on each side of the opening to the larynx.

piriform sinus

The vocal cords are best imaged during _______ breathing.

quiet

constictor muscle

responsible for constricting the pharynx and inducing peristaltic waves during swallowing

Sublingual

smallest of the salivary glands

Which muscle divides the neck into anterior and posterior triangles?

sternocleidomastoid

SCM

straplike muscle that originates on the sternum and clavicle and inserts on the mastoid tip of temporal bone

Which cartilage is the epiglottis attached to?

thyroid

The largest and most superior cartilage making up the larynx is the _______.

thyroid cartilage