Muscles of Facial Expression

Question 1

Is the origin or the insertion fixed?

Answer 1

origin

Question 2

The origin is usually more…

Proximal and medial
Lateral and medial

Answer 2

proximal and medial

Question 3

Origin is usually a Skeletal or muscle attachment?

Answer 3

skeletal attachment

Question 4

Insertions can be via ligament to

Answer 4

bone or subcutaneous tissue and skin

Question 5

All muscles of facial expression are innervated by the motor branches of what nerve

Answer 5

facial nerve CN VII

Question 6

O: anterior belly

Answer 6

I: galea aponeurotica

Question 7

A: raises the eyebrows and wrinkles the forehead

Answer 7

frontalis

Question 8

CN: frontalis

Answer 8

temporal branch of CN VII

Question 9

A: draws eyebrows down and medially

Answer 9

corrugator supercilli

Question 10

A: produces vertical wrinkled on the forhead

Answer 10

corrugator supercilli

Question 11

corrugator supercilli helps with what facial expression?

Answer 11

frowning

Question 12

CN: corrugator supercilli

Answer 12

temporal branch of VII

Question 13

A: Draws down the median angle of the eyebrow

Answer 13

Procerus

Question 14

A: Produces horizontal wrinkles over bridge of nose

Answer 14

Procerus

Question 15

CN: temporal branch of CN VII

Answer 15

Procerus, Frontalis, Corrugator supercilli

Question 16

CN: procerus

Answer 16

CN VII

Question 17

Muscle that goes around the orbit of the eye

Answer 17

Orbital part of Orbicularis Oculi

Question 18

Muscle forms the fleshy eyelid

Answer 18

palpebral part of Orbicularis Oculi

Question 19

A: forceful closure of eye

Answer 19

Orbital part of orbicularis oculi

Question 20

A: Reflex blinking of eye

Answer 20

Palpebral part of orbicularis oculi

Question 21

CN: Orbicularis Oculi

Answer 21

temporal and zygomatic branches of CN VII

Question 22

This muscle covers the middle of the cartilaginous bridge of the nose

Answer 22

Transverse part of Nasalis

Question 23

CN: Nasalis

Answer 23

buccal branch of facial nerve (CN VII)

Question 24

A: pucker lips and shut them tightly

Answer 24

orbicularis oris

Question 25

CN: orbicularis oris

Answer 25

buccal branch of CN VII

Question 26

A: allows one to puff the cheeks

Answer 26

buccinator

Question 27

A: compresses cheek to keep it taught against the teeth to aid in chewing

Answer 27

buccinator

Question 28

CN: buccal branch of CN VII

Answer 28

Buccinator Orbicularis oris Nasalis Levator labii superioris alaeque nasi

Question 29

CN: Buccinator

Answer 29

buccal branch of CN VII

Question 30

A: draws corner of mouth backwards, upward, and outward

Answer 30

Zygomaticus Major

Question 31

A: elevates upper lip

Answer 31

Zygomaticus Major

Question 32

CN: Zygomaticus Major

Answer 32

zygomatic and buccal branches of CN VII

Question 33

A: draws the corner of the mouth backward, upward, and outward

Answer 33

Zygomaticus Minor

Question 34

Located medial to zygomaticus major muscle

Answer 34

Zygomaticus Minor

Question 35

A: elevates upper lip

Answer 35

Zygomaticus Minor

Question 36

CN: Zygomaticus Minor

Answer 36

zygomatic and buccal branches of CN VII

Question 37

CN: Levator labii superioris alaeque nasi

Answer 37

buccal branch of CN VII

Question 38

CN: Levator labii superioris alaeque nasi (LLSAN)

Answer 38

buccal branch of CN VII

Question 39

A: elevate upper lip

Answer 39

Levator labii superioris

Question 40

CN: Levator labii superioris

Answer 40

ZYGOMATIC BRANCH OF CNVII

Question 41

A: compresses bridge of nose, depresses the tip of the nose, elevates the corner of each nostril

Answer 41

Nasalis

Question 42

A: elevates angle of mouth

Answer 42

Levator anguli oris

Question 43

CN: Levator anguli oris

Answer 43

buccal branch of CN VII

Question 44

A: depresses angle of mouth

Answer 44

Depressor anguli oris

Question 45

CN: Depressor anguli oris

Answer 45

mandibular branch of CN VII

Question 46

A: depresses the lower lip

Answer 46

Depressor labii inferioris

Question 47

CN: Depressor labii inferioris

Answer 47

mandibular branch of CN VII

Question 48

A: elevates and protrudes lower lip

Answer 48

Mentalis

Question 49

CN: Mentalis

Answer 49

mandibular branch of CN VII

Question 50

A: allows to puff cheeks

Answer 50

Buccinator

Question 51

A: compresses cheek to keep it taught against the teeth to aid in chewing

Answer 51

buccinator

Question 52

CN: buccinator

Answer 52

buccal branch of CN VII