Oral/Dental Anatomy

Question 1

Where does the ophthalmic division of trigeminal nn exit?

Answer 1

superior orbital fissure

Question 2

Where does the maxillary division of the trigeminal nn exit?

Answer 2

foramen rotundum

Question 3

where does the mandibular division of the trigeminal nn exit?

Answer 3

foramen ovale

Question 4

Which cranial nn? sense of smell, sensory, I

Answer 4

Olfactory

Question 5

Which cranial nn? sense of sight, sensory, II

Answer 5

Optic

Question 6

Which cranial nn? eye mms, pupil, lens, motor, III

Answer 6

Oculomotor

Question 7

Which cranial nn? eye muscles, motor, IV

Answer 7

trochlear

Question 8

Which cranial nn? ophthalmic, maxillary, and mandibular divisions, V

Answer 8

Trigeminal, both

Question 9

Which cranial nn? eye muscles, motor, VI

Answer 9

abducens

Question 10

Which cranial nn? mms of facial expression, taste (ant 2/3 via chords tympani), sublingual and submandibular salivary glands (parasympathetic), both, VII

Answer 10

Facial

Question 11

Which cranial nn? sense of balance and hearing, sensory, VIII

Answer 11

vestibulocochlear, aka auriculotemporal

Question 12

Which cranial nn? post 1/3 of tongue parotid gland, both, IX

Answer 12

glossopharyngeal

Question 13

Which cranial nn? smooth mms and glands of the body, cardiac mm, both, X

Answer 13

vagus

Question 14

Which cranial nn? trapezius, sternocleidomastoid, pharynx, and larynx, motor, XI

Answer 14

accessory

Question 15

Which cranial nn? mms of the tongue (except palatoglossus X, XI), motor, XII

Answer 15

hypoglossal

Question 16

three branches of trigeminal

Answer 16

V1 ophthalmic (sensory), V2 maxillary (sensory), V3 mandibular (sensory and motor)

Question 17

mm of mastication. retract and elevate mandible

Answer 17

temporalis

Question 18

mm of mastication. elevate the mandible

Answer 18

masseter

Question 19

mm of mastication. elevate and protrude the mandible

Answer 19

medial pterygoid

Question 20

mm of mastication. protrude and/or depress the mandible, and allow side to side (lateral), shift of the mandible

Answer 20

lateral pterygoid

Question 21

hyperactivity of this makes lower lip retraction difficult

Answer 21

mentalis

Question 22

pacemaker of the heart, in the right atrial wall

Answer 22

SA or SinoAtrial node

Question 23

____ carry blood to the heart, ____ carry blood away from the heart

Answer 23

veins, arteries

Question 24

three major branches of external carotid aa-

Answer 24

max- teeth, mm of mastication, ear
ling- tongue, floor of mouth
facial- mm of facial expression, lips, eyelids, soft palate, throat

Question 25

drains to form the maxillary vein, structures that drain to this - teeth, mm of mastication, buccinator, nose, palate

Answer 25

pterygoid plexus

Question 26

a sinus containing venous blood located on each side of the body of the sphenoid bone, near the base of the brain, behind the bridge of the nose

Answer 26

cavernous sinus

Question 27

fetal pressure on the _______ could cause orthostatic hypotension

Answer 27

inferior vena cava

Question 28

lymph node that drains fluid from the mandibular incisors, tip of tongue, midline of lip, chin, and floor of mouth

Answer 28

submental nodes

Question 29

lymph node that drains the submittal nodes and remaining teeth, may or may not include 3rd molars

Answer 29

submandibular nodes

Question 30

lymph node that drains the submandibular nodes, 3rd molars, and the wall of the throat (includes retro pharyngeal nodes), structures of the oropharynx

Answer 30

deep cervical nodes

Question 31

part of cell- center of energy production (ATP), respiration

Answer 31

mitochondria

Question 32

part of cell- watery gel enclosed by the membrane

Answer 32

cytoplasm

Question 33

part of cell- stores DNA and directs all cellular activities

Answer 33

nucleus

Question 34

part of cell- site of cellular protein synthesis, ribosome filled membranous network

Answer 34

endoplasmic reticulum

Question 35

part of cell- packages cellular protein product for secretion

Answer 35

golgi bodies

Question 36

part of cell- responsible for phagocytosis and digestion

Answer 36

lysosomes

Question 37

part of cell- provide structural support

Answer 37

filaments and tubules

Question 38

forehead and frontal bone developed by what?

Answer 38

frontal process

Question 39

median nasal process- center and tip of nose, nasal septum, globular process (philtrum, premaxillary palate) developed by what

Answer 39

frontal process

Question 40

lateral nasal process- sides of nose, IO area developed by what

Answer 40

frontal process

Question 41

maxillary process- lateral palatine processes, upper parts of cheek, sides of upper lip developed by what

Answer 41

1st brachial arch

Question 42

mandibular process- lower jaw, lower parts of face, lower lip, ant 2/3 of tongue developed by what

Answer 42

1st brachial arch

Question 43

post 1/3 of tongue and hyoid bone developed by what

Answer 43

2nd and 3rd brachial arches

Question 44

blood supply to tongue

Answer 44

lingual artery

Question 45

keratinized papillae protect the tongue, but contain no taste buds, most numerous papillae, velvet appearance

Answer 45

filiform

Question 46

contains tastebuds of Von Ebner, serous

Answer 46

circumvallate papilla

Question 47

Wharton's duct empties this under the tongue

Answer 47

submandibular gland

Question 48

produces 65% of saliva, mixed secretion (mostly serous), innervated by facial nn

Answer 48

submandibular gland

Question 49

produces 10% of salvia, mixed secretion (mostly mucous), innervated by VII

Answer 49

sublingual gland

Question 50

produces 25% of saliva, serous secretion only, cranial nn IX

Answer 50

parotid

Question 51

Stenson's duct empties this

Answer 51

parotid

Question 52

primitive oral cavity, lined by ectoderm

Answer 52

stomodeum

Question 53

____ underlies ectoderm, separated by basement membrane

Answer 53

mesoderm

Question 54

what derives from ectoderm?

Answer 54

enamel

Question 55

dentin and pulp derive from what?

Answer 55

ectomesenchyme

Question 56

what derives from basement membrane

Answer 56

dentino-enamel junction

Question 57

inner enamel epithelium becomes what

Answer 57

ameloblasts

Question 58

what creates Hertwig's Epithelial Rooth Shealth

Answer 58

outer enamel epithelium

Question 59

remnants of HERS known as

Answer 59

rests of Malassez- can form cysts

Question 60

1st layer of dentin immediately adjacent to the DEJ

Answer 60

mantle dentin

Question 61

remaining dentin, adjacent to pulp

Answer 61

circumpulpal dentin

Question 62

cementum is attached to PDL by what

Answer 62

Sharpey's fibers