Test 2 - Muscles of the Head and Neck

Question 1

Epicranius

Answer 1

Forehead, top and back of head
Raises eyebrows
Pulls scalp backwards

Question 2

Orbicularis oculi

Answer 2

Triparte muscle of eyelids
Opens and closes eyes
Draws eyebrows inferiorly (squinting)

Question 3

Corrugator supercilli

Answer 3

Small muscle above eyes, under oricularis oculi
Draws eyebrows medial and inferior (squinting)
Wrinkles forehead verticallly

Question 4

Orbicularis oris

Answer 4

Encircles mouth
Purses lips (kissing)

Question 5

Buccinator

Answer 5

Cheeks
Draws corners of mouth out (smiliing)
Compresses cheek (whistling)
Holds food in place while chewing

Question 6

Masseter

Answer 6

From below eyes to chin across cheek

Prime mover of the jaw

Question 7

Temporalis

Answer 7

Fan-shaped above ears, temple
Closes jaw
Retracts mandible

Question 8

Medial and Lateral pterygoids

Answer 8

Run from above teeth to chin or from teeth to ears
Protracts jaw
Grinding movements

Question 9

Platysma

Answer 9

Big front of neck muscle
Tenses skin of neck
Pulls jaw downward

Question 10

Sternocleidomastoid

Answer 10

Two-headed muscle under platysma
Flexes neck forward (crunches)
Rotates head from side to side