Anterior Head & Neck

Question 1

Frontalis

Answer 1

O-epicranial aponeurosis

I-skin of eyebrows and root of nose

Question 2

Orbicularis oculi

Answer 2

O-frontal and maxillary bones and ligaments around orbit

I-tissue of eyelid

Question 3

Orbicularis oris

Answer 3

O-arises indirectly from maxilla and mandible; fibers blend with fibers of other facial muscles associated with the lips

I-encircles mouth; inserts into muscle and skin at angles of mouth

Question 4

Levator labii superioris

Answer 4

O-zygomatic bone and infraorbital margin of maxilla

I-skin and muscle of upper lip

Question 5

Risorius

Answer 5

O-lateral fascia associated with masseter muscle

I-skin at angle of mouth

Question 6

Depressor anguli oris

Answer 6

O-body of mandible below incisors

I-skin and muscle at angle of mouth below insertion of zygomaticus

Question 7

Platysma

Answer 7

O-fascia of chest (over pectoral muscles and deltoid)

I-lower margin of mandible, and skin and muscle at corner of mouth

Question 8

Temporalis

Answer 8

O-temporal fossa

I-coronoid process of mandible via a tendon that passes deep to zygomatic arch

Question 9

Masseter

Answer 9

O-zygomatic arch and zygomatic bone

I-angle and ramus of mandible

Question 10

Zygomaticus

Answer 10

O-zygotmatic bone

I-skin and muscle at corner of mouth

Question 11

Sternocleidomastoid

Answer 11

O-manubrium of sternum and medial portion of clavicle

I-mastoid process of temporal bone and superior nuchal line of occipital bone

Question 12

Superior rectus

Answer 12

O-

Question 13

Inferior rectus

Answer 13

O-

Question 14

Medial rectus

Answer 14

O-

Question 15

Lateral rectus

Answer 15

O-