Chapter 11: The Muscular System- Facial Muscles

Question 1

Orbicularis Oculi
circular, of the eye
ORIGIN

Answer 1

-medial wall of the obit

Question 2

Orbicularis Oculi
circular, of the eye
INSERTION

Answer 2

-circular path around the orbit

Question 3

Orbicularis Oculi
circular, of the eye
ACTION

Answer 3

-closes eye

Question 4

Orbicularis Oculi
circular, of the eye
INERVATION

Answer 4

-facial nerve 7

Question 5

Corrugator supercilii
wrinkle, of the eyebrow
ORGIN

Answer 5

medial end of the superciloary arch of the frontal bone

Question 6

Corrugator supercilii
wrinkle, of the eyebrow
INSERTION

Answer 6

skin of the eyebrow

Question 7

Corrugator supercilii
wrinkle, of the eyebrow
ACTION

Answer 7

draws eyes inferiorly and wrinkles skin of the forhead vertically as in frowning

Question 8

Corrugator supercilii
wrinkle, of the eyebrow
INERVATION

Answer 8

facial nerve 7

Question 9

Orbicularis Oris
circular, of the mouth
ORGIN

Answer 9

muscle fibres surrounding opening of mouth

Question 10

Orbicularis Oris
circular, of the mouth
INSERTION

Answer 10

skin of corner of mouth

Question 11

Orbicularis Oris
circular, of the mouth
ACTION

Answer 11

• closes and protrudes lips (kissing)
• compresses lips against teeth
• shapes lips during speech

Question 12

Zygomaticus Major
cheek bone, greater
ORGIN

Answer 12

zygomatic bone

Question 13

Zygomaticus Major
cheek bone, greater
INSERTION

Answer 13

skin at angle of mouth and orbicularis oris

Question 14

Zygomaticus Major
cheek bone, greater
ACTION

Answer 14

• draws angle of the mouth supiorly and laterally

- smiling

Question 15

Zygomatic Minor
cheek bone, lesser
ORGIN

Answer 15

zygomatic bone

Question 16

Zygomatic Minor
cheek bone, lesser
INSERTION

Answer 16

upper lip

Question 17

Zygomatic Minor
cheek bone, lesser
ACTION

Answer 17

• raises upper lip

- exposing teeth

Question 18

Levator Labii Superioris
raises (levitartes), lips, upper
ORGIN

Answer 18

maxilla superior to the infraorbital foramen

Question 19

Levator Labii Superioris
raises (levitartes), lips, upper
INSERTION

Answer 19

skin at the angle of mouth

bends with fibres of orbicularis oris

Question 20

Levator Labii Superioris
raises (levitartes), lips, upper
ACTION

Answer 20

draws angle of mouth latterally and inferiorly

-opening mouth

Question 21

Depressor Labii Inferioris
lowers(depresses), lip, lower
ORGIN

Answer 21

mandible

Question 22

Depressor Labii Inferioris
lowers(depresses), lip, lower
INSERTION

Answer 22

skin of the lower lip

Question 23

Depressor Labii Inferioris
lowers(depresses), lip, lower
ACTION

Answer 23

depresses (lowers) lower lip

Question 24

Levator Anuli Oris
rasises, angle or coner, of the mouth
ORGIN

Answer 24

maxillia inferior to the infaorbital foramen

Question 25

Levator Anuli Oris
raises, angle or coner, of the mouth
INSERTION

Answer 25

angle (coner) of the mouth

Question 26

Levator Anuli Oris
raises, angle or coner, of the mouth
ACTION

Answer 26

draws angle of the mouth laterally and inferiorly

-opening the mouth

Question 27

Buccinator
cheek
ORGIN

Answer 27

alveolar processes of maxilla and mandible

pterygomandibular raphe

Question 28

Buccinator
cheek
INSERTION

Answer 28

blends with the fibres of the obicularis oris

Question 29

Buccinator
cheek
ACTION

Answer 29

• presses cheeks against teeth and lips
• whistling
• blowing
• sucking
• draws corners of the mouth laterally