Face muscles

Question 1

What is the action of the buccinator?

Answer 1

compression of cheeks, pulls corner of mouth laterally

Question 2

What is the innervation of the buccinator?

Answer 2

facial nerve

Question 3

What is the action of the corrugator?

Answer 3

draws eyebrows together as in frowning

Question 4

What is the innervation of the corrugator?

Answer 4

facial nerve

Question 5

What is the action of the depressor anguli oris?

Answer 5

pulls angle of mouth downward and laterally

Question 6

What is the innervation of the depressor anguli oris?

Answer 6

facial nerve

Question 7

What muscle compresses the cheeks and pull the corner of the mouth laterally?

Answer 7

buccinator

Question 8

What muscle draws the eyebrows together as in frowning?

Answer 8

corrugator

Question 9

What muscle pulls the angle of the mouth downward and laterally?

Answer 9

depressor anguli oris

Question 10

What is the action of the levator anguli oris?

Answer 10

pulls angle of mouth upward

Question 11

What is the innervation of the levator anguli oris?

Answer 11

facial nerve

Question 12

What muscle pulls the angle of the mouth upward?

Answer 12

levator anguli oris

Question 13

What is the action of the levator labii superioris?

Answer 13

raises upper lip, dilates nostrils

Question 14

What is the innervation of the levator labii superioris?

Answer 14

facial nerve

Question 15

What is the action of the depressor labii inferioris?

Answer 15

pulls lower lip downward

Question 16

What is the innervation of the depressor labii inferioris?

Answer 16

facial nerve

Question 17

What muscle raises the upper lip and dilates the nostrils?

Answer 17

levator labii superioris

Question 18

What muscles pulls the lower lip downward?

Answer 18

depressor labii inferioris

Question 19

What is the action of the epicranius (frontalis, galea aponeurotica)?

Answer 19

raises eyebrows, wrinkles skin of forehead horizontally

Question 20

What is the innervation of the epicranius (frontalis, galea aponeurotica, occipitalis)?

Answer 20

facial nerve

Question 21

What is the action of the epicranius (occipitalis)?

Answer 21

draws scalp posteriorly

Question 22

What muscle raises the eyebrows and wrinkles the skin of the forehead horizontally?

Answer 22

epicranius (frontalis, galea aponeurotica)

Question 23

What muscle draws the scalp posteriorly?

Answer 23

epicranius (occipitalis)

Question 24

What is the action of the mentalis?

Answer 24

raises and protrudes lower lip, wrinkles chin

Question 25

What is the innervation of the mentalis?

Answer 25

facial nerve

Question 26

What muscle raises and protrudes the lower lip, wrinkles chin?

Answer 26

mentalis

Question 27

What is the action of the orbicularis oculi?

Answer 27

closes the eyelids and tightens skin of forehead

Question 28

What is the innervation of the orbicularis oculi?

Answer 28

facial nerve

Question 29

What muscle closes the eyelids and tightens the skin of the forehead?

Answer 29

orbicularis oculi

Question 30

What is the action of the orbicularis oris?

Answer 30

closes and protrudes the lips

Question 31

What is the innervation of the orbicularis oris?

Answer 31

facial nerve

Question 32

What muscle closes and protrudes the lips?

Answer 32

orbicularis oris

Question 33

What is the action of the platysma?

Answer 33

depresses mandible, draws angle of mouth downward, tightens and wrinkles skin of neck

Question 34

What is the innervation of the platysma?

Answer 34

facial nerve

Question 35

What muscle depresses the mandible, draws the angle of the mouth downward, tightens and wrinkles the skin of the neck?

Answer 35

platysma

Question 36

What is the action of the procerus?

Answer 36

wrinkles skin between eyebrows

Question 37

What is the innervation of the procerus?

Answer 37

facial nerve

Question 38

What muscle wrinkles the skin between the eyebrows?

Answer 38

procerus

Question 39

What is the action of the risorius?

Answer 39

pulls angle of mouth backwards laterally

Question 40

What is the innervation of the risorius?

Answer 40

facial nerve

Question 41

What muscle pulls the angle of the mouth backwards laterally?

Answer 41

risorius

Question 42

What is the action of the zygomaticus major/minor?

Answer 42

raise angle of mouth

Question 43

What is the innervation of the zygomaticus major/minor?

Answer 43

facial nerve

Question 44

What muscle raises the angle of the mouth?

Answer 44

zygomaticus major/minor

Question 45

Name all 14 face muscles.

Answer 45

buccinator, corrugator, platysma, risorius, procerus, zygomaticus major/minor, epicranius (frontalis, galea aponeurotica, occipitalis), levator anguli oris, depressor anguli oris, orbicularis oris, orbicularis oculi, levator labii superioris, depressor labii inferioris, mentalis