Anatomy Exam 4

Front 1

Single Facial Bones (2)

Back 1

Mandible
Vomer

Front 2

Paired Facial Bones (6)

Back 2

Maxilla, Zygomatic, Nasal, Lacrimal, Palatine,
Inferior Nasal conchae

Front 3

Ratio of facial to skull bones when born ____; when older _____

Back 3

1:8, 1:2

Front 4

Function of Muscles of facial expression

Back 4

Move skin of face because muscles originate from bone and insert into skin

Front 5

Muscles act as (2)

Back 5

Constrictors
Dialators

Front 6

Facail Sulci

Back 6

Wrinkles of face due to repeated folding of skin, perpendicular to long axis of contracting muscle

Front 7

Muscles of Orbits
(2 sphincter)

Back 7

Orbicularis oculi
Curracator Supercilli

Front 8

Orbicularis Oculi is innervated by ____ & ______

Back 8

Temporal & Zygomatic branch of facial nerve

Front 9

Orbital portion of orbicularis oculi is located ________ & it functions to ______

Back 9

Located adjacent to the rim of orbit; fxn: pull skin of forehead, cheek, & nostrils

Front 10

Palpebral potion of orbicularis oculi is located _________ & it functions to ___________

Back 10

Located in eyelids; fnx: complete closing or squinting of eyes

Front 11

Muscles of nostrils (3)

Back 11

Depressor Nasalis
Dialator Nasalis
Procerus

Front 12

Depressor Nasalis is a ____ muscle, its fxn is _____, and it is innervated by the _______

Back 12

Sphincter
Fxn: compress lateral nasal cartilage
Buccal Nerve

Front 13

Dialator Nasalis is a ______ muscle, its fxn is ________, and it is innervated by the ____________

Back 13

Dialator muscle
Fxn: pulls on alar cartilage - makes nasal aperture larger
Buccal nerve

Front 14

Procerus is located ______, its fxn is ______, and it is innervated by the _________

Back 14

Between eyebrows
Fxn: wrinkles skin of nose
Temporal nerve

Front 15

Sphincter muscle of the Oral Oriface is

Back 15

Orbicularis Oris

Front 16

Orbicularis Oris is located _____ its fxn is to ______, and it is innervated by ____ & _______

Back 16

Surrounds lips
Fxn: causes lips to compress
Buccal & Mandibular Nerves

Front 17

Dialator Muscles of the Oral Oriface are ____. (9)

Back 17

superioris alaque nase, levator labii superioris, zygomaticus minor, zygomaticus major, levator anguli, risorius, depressor anguli oris, depressor labii inferioris, mentalis

Front 18

Cheek muscle is called

Back 18

Buccinator

Front 19

The buccinator muscle allows you to _____ its fxn is to _____.

Back 19

Compress cheeks against teeth
Fxn: whistle, hold food

Front 20

The buccinator originates in _____, and Inserts into ______, it is innervated by ______

Back 20

O:alveolar margins of maxilla
I:orbicularis oculi muscle
Buccal nerve

Front 21

Motor Innervation of Facial Region________

Back 21

Cranial nerve VII -
Facial Nerve

Front 22

General Sensory Innervation of Facial Region ____

Back 22

Cranial Nerve V -
Trigeminal Nerve
(innervates all facial regions except small area over small angle of mandible and parotid gland)

Front 23

General Sensations include ___ (6)

Back 23

Temperature, Pressure, Fine Touch, Pain, Vibrating, Proprioception (body position)

Front 24

Branches of Trigeminal Nerve are ___ (3)

Back 24

V1 - Ophthalmic nerve
V2 - Maxillary nerve
V3 - Mandibular nerve

Front 25

V1 (Ophthalmic nerve) exits through _______

Back 25

Supraorbital fissure

Front 26

V2 (Maxillary nerve) exits through _____ then ____

Back 26

Foramen rotundum
then inferior orbital fissure

Front 27

V3 (Mandibular nerve) eits through ____

Back 27

Foramen Ovale

Front 28

This nerve has both motor & sensory functions

Back 28

V3 - Mandibular nerve

Front 29

Facial Nerve is CN __, it exits scull through _____, enters face _____, its nucleus is locate in _____

Back 29

CN VII
Stylomastoid foramen
Posterior to parotid gland
Pons

Front 30

Major branches of the Facial nerve are ____ (5)

Back 30

Temporal, Zygomatic, Buccal, Mandibular, Cervical