UNIT 3- Facial Muscles

Question 1

Frontalis

Answer 1

wrinkles skin of forehead, elevates eyebrows, draws scalp anteriorly

Question 2

Orbicularis oculi

Answer 2

depresses upper eyelid, elevates lower eyelid, tightens skin around eyes

Question 3

Levator labii superioris

Answer 3

elevates upper lip

Question 4

Zygomaticus major

Answer 4

retracts and elevates corner of mouth

Question 5

Zygomaticus minor

Answer 5

retracts and elevates upper lip

Question 6

Risorius

Answer 6

draws corner of mouth to the side

Question 7

Platysma

Answer 7

depresses mandible, pulls lower lip band and down (pouting)

Question 8

Orbicularis

Answer 8

closes, protrudes, and purses lips (kissing muscle)

Question 9

Depressor labii inferioris

Answer 9

depresses lower lip

Question 10

Mentalis

Answer 10

elevates and protrudes lower lip

Question 11

Depressor anguli oris

Answer 11

depresses corner of mouth

Question 12

buccinator

Answer 12

compresses cheek inward (whistling)

Question 13

Levator labii superiioris alaeque nasi

Answer 13

Elevates upper lip, opens nostril (snarling)

Question 14

Nasalis

Answer 14

compresses bridge, depresses tip of nose, elevates corners of nostrils

Question 15

Masseter

Answer 15

elevates mandible and closes jaw

Question 16

temporalis

Answer 16

elevates and retracts mandible