Chapters 4

Which muscle listed is considered most superior on the head and neck?

Corrugator supercilii muscle

Both the origin of the frontal belly of the epicranial muscle & the insertion of its occipital belly are at the ?

Epicranial Aponeurosis

What is the first sign of damage to the nerve of the muscles of facial expression?

Inability to form facial expressions

Which of the following muscles has two bellies, giving the muscle two different origins?

Lateral pterygoid

Which of the following statements concerning the masseter muscle is correct?

Originates from the zygomatic arch

Which of the following muscles forms the anterior faucial pillar in the oral cavity?

Palatoglossus muscle

Which muscle is located just deep to the skin of the neck?

Platysma

Which of the following muscle groups is involved in both elevating the hyoid bone and depressing the mandible?

Suprahyoid muscles

What do the muscles of mastication work with to accomplish movements of the mandible?

Temporomandibular joint

How are the hyoid muscles grouped in relationship to the hyoid bone?

Vertical position

How are the pharyngeal constrictor muscles named in relationship to the pharynx?

Vertical position

The movement that is accomplished when the muscle fibers contract is the muscle's

action

Which muscle does not aid in smiling with the lips when it contracts?

epicranial muscle

Which of the following muscle groups inserts directly on the hyoid bone?

geniohyoid, stylohyoid, and omohyoid muscles

Which of the following nerves innervates the temporalis muscle?

mandibular branch of the trigeminal nerve

Which muscle listed below is most superficial in regards to location?

masseter muscle

Which of the following muscles is considered a muscle of mastication?

masseter muscle

Which specific muscle can become clinically enlarged in patients who habitually clench or grind (with bruxism) their teeth and in those who constantly chew gum?

masseter muscle

Which muscle can make the patients oral vestibule more shallow thereby making dental work sometimes difficult?

mentalis

All the muscles of the pharynx are known to be involved in?

middle ear functions

What structure shortens under neural control, causing soft tissue and bony structures of the body to move?

muscle

The posterior belly of the digastric muscle is also considered a(n)?

posterior suprahyoid muscle

It is important to remember that unlike innervation to the muscles, which is a one-to-one relationship, arterial supply to the muscles is

regional

Which of the following muscle pairs are considered to be intrinsic tongue muscles?

superior longitudinal

The origin of a muscle is considered to be?

the muscle end attached to the least movable structure

Which of the following muscle pairs is divided by a median septum?

transverse

Which muscle listed below when contracted causes a frown?

Depressor anguli oris muscle

Which muscles activity helps to prevent the tongue from sinking back and obstructing respiration?

Genioglossus muscle

How are the suprahyoid muscles grouped in relationship to the hyoid bone?

Horizontal position

Why does damage to the facial nerve occur with parotid salivary gland cancer?

Nerve travels through gland

Which of the following is the most commonly used muscle when the patients lips close around the saliva ejector?

Orbicularis Oris

Which of the following muscles is used when a patient grimaces ?

Risorius

Which muscle of facial expression compresses the cheeks during chewing assisting the muscles of mastication?

buccinator

Generally, the insertion of the muscle moves toward the origin where the muscle arises when the muscle is

contracted

Which of the following situations occurs when both sternocleidomastoid muscles are used by the patient?

head flexes at the neck

Which of the following muscles is an extrinsic muscle of the tongue?

hypoglossal muscle

Which of the following muscle groups listed below serve to depress the hyoid bone?

infrahyoid

The superior pharyngeal constrictor muscle is noted to

insert on the median pharyngeal raphe

What is the end of the muscle that is attached to the more movable structure?

insertion

Which of the following muscle groups is innervated by the facial nerve?

muscles of facial expression

Which of the following muscle groups listed below is innervated by the cervical nerves?

muscles of mastication

Which of the following paired muscle unite medially forming the floor of the mouth?

mylohyoid muscle

The intrinsic muscles of the tongue are named by their

orientation

What term used within the muscular system denotes the end of the muscle that is attached to the least movable structure

origin

What is the result of facial nerve damage for the muscles of facial expression on the involved side?

paralysis