Face Muscles

Question 1

buccinator action

Answer 1

holds food between cheeks and teeth during mastication

Question 2

depressor anguli oris action

Answer 2

depresses angle of mouth; frowning

Question 3

zygomatic major action

Answer 3

turns angle of mouth upward; smiling

Question 4

levator labii superiorus action

Answer 4

raises upper lip; snarl

Question 5

orbicularis oris action

Answer 5

closes and protrudes lips; purses lips together; kiss

Question 6

orbicularis oculi action

Answer 6

closes eyelids; wink

Question 7

occipitofrontralis action

Answer 7

raises eyebrows

Question 8

procerus and transverse part of nasalis

Answer 8

wrinkles nose

Question 9

levator labii superioris alaeque nasi and part of nasalis action

Answer 9

nasal flaring

Question 10

risorius action

Answer 10

smile

Question 11

mentalis action

Answer 11

pouting

Question 12

platysma action

Answer 12

scary face

Question 13

what are the muscles of mastication?

Answer 13

temporalis
masseter
lateral pterygoid
medial pterygoid

Question 14

what are the muscles of mastication innervated by?

Answer 14

CN V, trigeminal

Question 15

temporalis action

Answer 15

elevating/closing the mouth; lateral shifting to same side

Question 16

masseter action

Answer 16

elevate, retrude, assist with lateral gliding

Question 17

lateral pterygoid action

Answer 17

depress/open, protrude, lateral grinding on opposite side

Question 18

medial pterygoid action

Answer 18

elevate, protrude, lateral grinding to opposite side

Question 19

what nerve is responsible for facial expression?

Answer 19

facial nerve

Question 20

what nerve is responsible for sensation to the face?

Answer 20

trigeminal

Question 21

what nerve innervates levator palpebrae superioris?

Answer 21

oculomotor

Question 22

what are the muscles of mastication?

Answer 22

Temporalis, Masseter, Lateral and Medial Ptyergoid

Question 23

What is the nerve responsible for mastication?

Answer 23

Trigeminal CN V3

Question 24

what nerve innervates levator palpebrae superioris?

Answer 24

CN III oculomotor

Question 25

what is Bell’s Palsy?

Answer 25

CN VII Facial nerve palsy. Loss of muscles of facial expression on affected side. The person will have drooping on that side of the face.

Question 26

what is trigeminal neuralgia?

Answer 26

CN V Trigeminal Nerve compression causes bouts of severe pain to the sensory area of the division that is affected.

Question 27

Dr Brady DPT was performing a transfer with an elderly patient with dementia. She reached out and hit him in the right upper eye and forehead, which was painful for the rest of the day. Branches of which nerve convey pain sensation from the skin to the brain?

Answer 27

opthalmic V1

Question 28

Dr. Buckley DPT is unable to grin on the right side after a short dental procedure. Which muscle are temporarily paralyzed?

Answer 28

zygomaticus major

Question 29

Dr. Burkhardt DPT is treating a pt who sustained facial injury when the rear bag of his motorcycle caught the pavement in a turn. He was wearing an open beanie helmet with no facial protection. His facial abrasions and scars have healed and some sensation has returned, but he continues to complain of food getting stuck between his check and teeth. From the list below, which muscle is responsible?

Answer 29

buccinator

Question 30

At the temporomandibular joint (TMJ), hinge movements occur between…

Answer 30

Condyle/Head of the mandible, disk, and mandibular fossa & articular eminence of the temporal bone.

Question 31

which muscle is helpful with opening the mouth?
A. lateral pterygoid
B. temporalis
C. medial pterygoids

Answer 31

lateral pterygoids

Question 32

In acute inflammation of the TMJ, which muscle is most likely to be affected by the inflammatory process?

Answer 32

lateral pterygoids

Question 33

true or false: The TMJ is a joint that has a capsule strengthened by ligaments on its lateral side only.

Answer 33

true