Unit B

A Function of Orbicularis oculi:

Blinking

Which muscle acts to elevate the hyoid bone and depress the mandible? Digastric muscle Sternothyroid Geniohyoid Mylohyoid

Digastric muscle

Which are functions of the digastric muscle? Elevating thyroid cartilage of larynx Depressing hyoid bone Elevating the hyoid bone and depressing the mandible Elevating the mandible

Elevating the hyoid bone and depressing the mandible

Which muscle raises the eyebrows and wrinkles the skin of the forehead when it contracts? Orbicularis oculi muscle Corrugator supercilii muscle Frontal belly of the occipitofrontalis Levator palpebrae superioris muscle

Frontal belly of the occipitofrontalis

A Function of Depressor anguli oris:

Frowning

Which of the following muscles are responsible for the lateral flexion of the vertebral column? Interspinales muscles Intertransversarii muscles Multifidus muscles Rotatores muscles

Intertransversarii muscles

Facial muscles attach where? Into the superficial fascia of the skin Into the tendons of other muscles On vertebral bones

Into the superficial fascia of the skin

Facial muscles attach where? On vertebral bones Into the superficial fascia of the skin Into the tendons of other muscles

Into the superficial fascia of the skin

What is the location of the frontal belly of the occipitofrontalis muscle? It is superficial to the temporal bone just above the ear. It is superficial to the occipital bone on the back of the head. It is superficial to the frontal bone on the forehead. It is superficial to the zygomatic bone of the cheek.

It is superficial to the frontal bone on the forehead.

A Function of Orbicularis oris:

Kissing

Which muscle elevates the upper eyelid when you open your eyes? Procerus Levator palpebrae superioris Corrugator supercilii Occipital belly of the occipitofrontalis muscle

Levator palpebrae superioris

Which term refers to the process of chewing? Mastication Buccination Deglutination Peristalsis

Mastication

Select all that apply Which are functions of the medial and lateral pterygoid muscles? Multiple select question. Move the mandible side to side during chewing Protract the mandible Depress the mandible Retract the mandible

Move the mandible side to side during chewing Protract the mandible

Which muscle covers the back side of the head and retracts the scalp? Orbicularis oculi Frontal belly of the occipitofrontalis Corrugator supercilii Occipital belly of the occipitofrontalis

Occipital belly of the occipitofrontalis

Which muscle(s) of the vertebral column attaches to the iliac crest and iliolumbar ligament? Quadratus lumborum Semispinalis group Multifidus muscles Interspinales group

Quadratus lumborum

A Function of Frontal belly of occipitofrontalis:

Raising eyebrows

Select all that apply Which of the following are attachment sites for facial muscles? Ligament of cervical vertebrae Skull bones Tendons of other muscles Superficial fascia of skin

Skull bones Superficial fascia of skin

A Function of Zygomaticus major:

Smiling

A Function of Platysma:

Tensing skin of neck

Which muscle compresses the cheek against the teeth, as in chewing, when it contracts? The orbicularis oris muscle The buccinator muscle The masseter muscle The depressor anguli oris muscle

The buccinator muscle

Which muscle pulls the corners of the mouth superiorly and laterally when it contracts? The orbicularis oris muscle The levator anguli oris muscle The platysma muscle The depressor labii inferioris muscle

The levator anguli oris muscle

Select all that apply Identify all the muscles that elevate part or all of the upper lips. Multiple select question. The depressor anguli oris muscle The levator anguli oris muscle The zygomaticus major and minor muscles The levator labii superioris muscle The platysma muscle

The levator anguli oris muscle The zygomaticus major and minor muscles The levator labii superioris muscle

Which muscle elevates and protracts the mandible during mastication? The orbicularis oris muscle The buccinator muscle The masseter muscle The temporalis muscle

The masseter muscle

Select all that apply Which of the following are considered muscles of mastication? Multiple select question. The masseter muscle The lateral pterygoid muscle The buccinator muscle The temporalis muscle The medial pterygoid muscle

The masseter muscle The lateral pterygoid muscle The temporalis muscle The medial pterygoid muscle

Which muscle attaches to the lower lip and protrudes the lower lip, as in pouting, when it contracts? The orbicularis oris muscle The mentalis muscle The zygomaticus minor muscle The buccinator muscle

The mentalis muscle

Which muscle contracts when you "pucker" your lips? The orbicularis oculi muscle The mentalis muscle The nasalis muscle The orbicularis oris muscle

The orbicularis oris muscle

Which group of erector spinae muscles attach the spinous processes of vertebrae? The spinalis group The longissimus group The iliocostalis group

The spinalis group

Which muscle depresses the thyroid cartilage to return it to its original position after swallowing? The omohyoid muscle The sternohyoid muscle The thyrohyoid muscle The sternothyroid muscle

The sternothyroid muscle

Which muscle elevates and retracts the mandible during mastication? The masseter muscle The lateral pterygoid muscle The buccinator muscle The temporalis muscle

The temporalis muscle

Which muscle extends from the thyroid cartilage of the larynx to the hyoid? The thyrohyoid muscle The sternohyoid muscle The geniohyoid muscle The omohyoid muscle

The thyrohyoid muscle

True or false: The temporalis is considered a muscle of mastication. True false question. True False

True

Identify the muscle of facial expression, which elevates the corner of the mouth. Zygomaticus minor Levator labii superioris Risorius Masseter

Zygomaticus minor

The term mastication refers to the process of ______. kissing swallowing running chewing

chewing

The function of the geniohyoid is to ______. elevate the hyoid bone depress the mandible depress the larynx depress the hyoid bone

elevate the hyoid bone

The functions of the mylohyoid and stylohyoid muscles are to ______. depress the mandible elevate the larynx elevate the hyoid bone depress the hyoid bone

elevate the hyoid bone

Bilateral contraction of the splenius capitis, splenius cervicis, semispinalis capitis, and longissimus capitis causes ______. turning of the head extension of the neck

extension of the neck

Select all that apply The functions of the erector spinae muscles include ______. Multiple select question. extension of vertebral column flexion of head maintenance of posture lateral flexion of vertebral column

extension of vertebral column maintenance of posture lateral flexion of vertebral column

Most muscles of facial expression are innervated by the ______. facial nerve glossopharyngeal nerve vagus nerve trigeminal nerve accessory nerve

facial nerve

Bilateral contraction of the sternocleidomastoid muscles functions to ______. laterally flex the neck extend the neck flex the neck rotate the head

flex the neck

The epicranial aponeurosis is also called the ______. glabella galea aponeurotica patellar ligament galea bursa

galea aponeurotica

The omohyoid muscle depresses the ______. hyoid bone lower lip palate tongue

hyoid bone

The most laterally placed group of erector spinae muscles are the ______. longissimus group iliocostalis group spinalis group

iliocostalis group

As swallowing ends, the anterior neck muscles that contract to influence the position of the hyoid bone and the larynx are the ______ muscles. suprahyoid infrahyoid

infrahyoid

Muscles of the anterior neck that are inferior to the hyoid bone are called ______ muscles. infrahyoid suprahyoid

infrahyoid

The muscles of the anterior neck that are below the hyoid bone are called __________ muscles.

infrahyoid

The muscle that both elevates and protracts the mandible is the ________.

masseter

The location of the the orbicularis oris muscle is around the ______. nostrils opening of the ear canal orbit of the eye opening of the mouth

opening of the mouth

When one "puckers up for a kiss," one is using the ______ muscle. levator palpebrae superioris procerus orbicularis oris orbicularis oculi

orbicularis oris

If the left sternocleidomastoid muscle contracts, it rotates the head to the ______ side of the body. right left

right

Most muscles of facial expression are innervated by cranial nerve _____.

seven (or facial)

The muscle that extends from the sternum to the thyroid cartilage of the larynx is the ___________ muscle.

sternothyroid

The muscle that attaches to the styloid process of the skull and the hyoid bone is the ________ muscle.

stylohyoid

The omohyoid muscle is attached to ______. the temporal bone and mandible the larynx and hyoid bone the scapula and hyoid bone the mandible and scapula

the scapula and hyoid bone

Unilateral contraction of the splenius capitis, splenius cervicis, semispinalis capitis, and longissimus capitis causes ______. extension of the neck turning of the head

turning of the head