Muscles of the Head

Question 1

Buccinator*

Answer 1

A: Compress cheek
O: mandible, maxillae
I: orbicularis oris muscle

Question 2

Depressor anguli oris

Answer 2

A: Moves corners of mouth inferiorly and laterally

Question 3

Depressor labii inferioris

Answer 3

A: Moves lower lip inferiorly

Question 4

Levator anguli oris

Answer 4

A: Moves corners of mouth superiorly and laterally

Question 5

Levator labii superioris

Answer 5

A: Opens lips, raises and furrows the upper lip

Question 6

/Masseter*

Answer 6

A: Elevates and protracts mandible
O: Zygomatic arch
I: Ramus and angle of mandible

Question 7

Mentalis

Answer 7

A: Protrudes lower lip (pouting muscle)

Question 8

Nasalis

Answer 8

A: Compresses bridge and depresses tip of nose

Question 9

Occipitofrontalis (frontal belly)

Answer 9

A: Elevates eyebrows and wrinkles skin of forehead

Question 10

Occipitofrontalis (occipital belly)

Answer 10

A: Retracts scalp

Question 11

Orbicularis oculi

Answer 11

A: Closes eye, produces winking, blinking, squinting

Question 12

Orbicularis oris

Answer 12

A: Compresses and purses lips (kissing muscle)

Question 13

Platysma

Answer 13

A: Pulls lower lip inferiorly; tenses skin of neck

Question 14

Procerus

Answer 14

A: Moves corners of lips laterally

Question 15

Risorius

Answer 15

A: Moves corners of lips laterally

Question 16

Temporalis*

Answer 16

A: Elevates and retracts mandible
O: Parietal bone
I: Coronoid process of mandible

Question 17

Zygomaticus major*

Answer 17

A: Elevates corners of mouth (smile muscle)
O: Zygomatic bone
I: Edge of mouth

Question 18

Zygomaticus minor*

Answer 18

A: Elevates corners of mouth (smile muscle)
O: Zygomatic bone
I: Superior lip