Face I

Question 1

Facial muscles are innervated by

Answer 1

CN VII

Question 2

Facial function is bounded by

Answer 2

hairline, chin, & external ears

Question 3

What are the 5 facial branches?

Answer 3

Temporal
Zygomatic
Buccal
Mandibular
Cervical

Question 4

What are the lip raiser muscles?

Answer 4

• Levator labii superioris
• Zygomaticus major
• Zygomaticus minor
• Levator anguli oris
• Levator labii superioris alaeque nasi
• Risorius

Question 5

What are the lip depressors?

Answer 5

• Depressor labii inferioris
• Depressor anguli oris

Question 6

Mouth, Chin & Cheek muscles

Answer 6

Mouth = Orbicularis oris
Chin = Mentalis
Cheek = Buccinator

Question 7

Action, posterior & anterior attachment of buccinator muscle

Answer 7

Action: presses mucosa against teeth
Posterior attachment: pterygomandibular raphe
Anterior attachment: corners of mouth, blending w/ the orbicularis oris

Question 8

Muscles of the nose. What are the parts of the nasalis?

Answer 8

• Nasalis = Transverse & Alar
• Depressor septi
• Procerus

Question 9

Muscles of the eyes. What are parts of the orbicularis oculi?

Answer 9

• Orbicularis oculi = Palpebral & Orbital
• Corrugator Supercilii

Question 10

What is the facial gland called?

Answer 10

Parotid gland

Question 11

Temporal branch of the facial n. innervates

Answer 11

frontalis, orbicularis, oculi, & corrugator supercilli

Question 12

Zygomatic branch of the facial n. innervates

Answer 12

Orbicularis oculi

Question 13

Buccal branch of the facial n. innervates

Answer 13

orbicularis oris, buccinator & zygomaticus

Question 14

Marginal mandibular branch of the facial n. innervates

Answer 14

Mentalis

Question 15

Cervical branch of the facial n. innervates

Answer 15

Platysma

Question 16

Label the facial branches

Answer 16

1 = Temporal branch
2 = Zygomatic branch
3 = Buccal branch
4 = Marginal Mandibular branch
5 = Cervical branch

Question 17

Sensory innervation for most of the face

Answer 17

CN V

Question 18

V1, V2 & V3 innervate what part of face?

Answer 18

V1 = innervates tip of nose & above eyes
V2 = innervates part of midface & around nose
V3 = innervates everything around mandible, except the angle

Question 19

Branches of V1? What do they pass through?

Answer 19

Supraorbital
- Goes through supraorbital foramen/notch

Supratrochlear
- Goes through orbit

Question 20

Branches of V2? What do they pass through?

Answer 20

Infraorbital
- Goes through infraorbital foramen

Zygomaticotemporal
- Goes through zygomaticotemporal foramen

Zygomaticofacial
- Goes through zygomaticofacial foramen

Question 21

Branches of V3? What do they pass through?

Answer 21

Mental
- passes through mental foramen

Question 22

The facial artery branches off of

Answer 22

external carotid artery

Question 23

What are the cervical branches of the facial artery?

Answer 23

Ascending palatine
Tonsillar
Glandular
Submental

Question 24

What are the facial branches of the facial artery?

Answer 24

Inferior labial
Superior labial
Lateral nasal
Angular (terminal)

Question 25

What are the vascularization branches of the facial artery?

Answer 25

Cervical branches, facial branches, superficial temporal artery, ophthalamic branches, & angular v.

Question 26

What’s the danger triangle?

Answer 26

Angular vein drains w/ rest of facial blood towards internal jugular vein

Question 27

Label

Answer 27

1 = Orbicularis oris
2 = Mentalis

Question 28

Label

Answer 28

1 = Zygomaticus major
2 = Levator anguli oris
3 = Zygomaticus minor
4 = Levator labii superioris
5 = Levator labii superioris alaeque nasi
6 = Risorius
7 = Depressor labii inferioris
8 = Depressor anguli oris

Question 29

Label

Answer 29

1 = Frontalis
2 = Galea aponeurotica
3 = Occipitalis
4 = Platysma