Muscles of facial expression

Question 1

what bone is your cheek bone

Answer 1

zygoma

Question 2

what bone is above your teeth

Answer 2

maxilla

Question 3

what bone is your chin

Answer 3

mandible

Question 4

what bone is your forehead

Answer 4

frontal

Question 5

name the bones of the scalp from front to back

Answer 5

frontal
parietal
occipital

Question 6

the mastoid and styloid processes are from what bone

Answer 6

temporal bone

Question 7

what bone is infront of the temporal bone

Answer 7

sphenoid bone

Question 8

what part of the temporal bone houses the structures of the ear

Answer 8

petrous part of the temporal bone

Question 9

most muscles of facial expression originate and insert where

Answer 9

originate on facial bones and insert into the skin/connective tissue of face

Question 10

how do muscles of facial expression vary between individuals

Answer 10

shape of the muscles varies so the origin and insertion points are approximations of where the muscles are usually found

Question 11

fascia of the scalp blends with what

Answer 11

superficial fascia in the neck posteriorly and temporal regions laterally

Question 12

the fascia of what is thicker and is an extension of a layer of deep fascia

Answer 12

fascia of the parotid gland

Question 13

a layer of deep cervical fascia (parotid fascia) covers what muscle and invests what

Answer 13

covers masseter and invests the parotid gland

Question 14

what muscle lies on the forehead and scalp

Answer 14

occipitofrontalis

Question 15

what are the 2 bellies of occipitofrontalis

Answer 15

occipitalis

frontalis

Question 16

what action does occipitofronatlis do

Answer 16

raise and lower eyebrows

Question 17

what is the small muscle of facial expression called that moves eyebrows inferomedially (vertical wrinkles in forehead)

Answer 17

corrigator supercili

Question 18

what muscle covers the neck and is said to contribute to facial expression as well as tightening skin on neck

Answer 18

platysma

Question 19

platysma is said to be a remnant of what

Answer 19

panniculus carnosis muscle layer found in other animals

Question 20

what is the innervation of platysma

Answer 20

facial nerve

Question 21

what muscle depresses medial end of eyebrow / wrinkles skin over dorsum of nose to convey distain/dislike

Answer 21

procerus + transverse part of nasalis

Question 22

what muscles make the expression of the snapchat of catherine

Answer 22

platysma

Question 23

what muscle allows you to blow out cheeks

Answer 23

buccinator

Question 24

what is the actual function of buccinator

Answer 24

prevent food from collecting between teeth and cheeks

Question 25

what muscle allows flaring of nostrils

Answer 25

levator labii sup. alaeque nasi + alar part of nasalis

Question 26

what muscle acts to close the eyes

Answer 26

orbicularis oculi

Question 27

what muscle forms a circle around the lips

Answer 27

orbicularis oris

Question 28

what muscles raise the corners of the mouth and can be used to create a sneering expression

Answer 28

zygomaticus major and minor

Question 29

what muscle acts to elevate the lip

Answer 29

levator labii superioris

Question 30

what muscle acts to raise the corner of the mouth

Answer 30

levator anguli superioris

Question 31

what muscles perform the opposite function to the levator muscles

Answer 31

depressor anguli oris and depressor labii inferioris

Question 32

what is the small muscle that helps to pull down the lower lip

Answer 32

mentalis

Question 33

what are the dilators of the mouth

Answer 33

risorius plus levator labi superioris + depressor labii inferioris

Question 34

what causes a frown

Answer 34

depressor anguli oris

Question 35

what causes a pouty frown

Answer 35

mentalis

Question 36

what muscle arises from the fascia over the parotid gland and attaches to the corner of the mouth

Answer 36

risorius

Question 37

what muscle is used to make a smiling expression

Answer 37

risorius

Question 38

what is a small muscle that helps to move the skin of the nasal area

Answer 38

levator labii superioris alaeque nasi

Question 39

what muscles cause the underturned top lip smile

Answer 39

risorius and depressor labi inferioris

Question 40

what gives motor supply to the face

Answer 40

facial nerve

Question 41

what gives sensory to the face

Answer 41

trigeminal nerve

Question 42

what gives motor to temporalis and masseter

Answer 42

trigeminal nerve

Question 43

what are the motor branches of the facial nerve

Answer 43

``` temporal zygomatic buccal mandibular cervical posterior auricular ```

Question 44

the temporal branch of the facial nerve supplies what

Answer 44

frontalis | orbicularis oculi

Question 45

the posterior auricular branch of the facial nerve supplies what

Answer 45

occipitalis

Question 46

the cervical branch of the facial nerve supplies what

Answer 46

platysma

Question 47

the zygomatic branch of the facial nerve supplies what

Answer 47

orbicularis oculi

Question 48

the buccal branch of the facial nerve supplies what

Answer 48

``` zygomaticus major and minor levator labii superioris levator anguli oris buccinator orbicularis oris nasalis ```

Question 49

the marginal mandibular branch of the facial nerve supplies what

Answer 49

depressor anguli oris depressor labii oris mentalis