Oral Cavity

Question 1

Another name for mouth/oral cavity is?

Answer 1

Buccal cavity

Question 2

What are the two parts of the palate?

Answer 2

Hard Palate
Soft Palate

Question 3

Which palate is more rostral?

Answer 3

Hard palate

Question 4

What is the hard palate made up of?

Answer 4

Palatine, maxillary, and incisive bones, covered by mucous membrane

Question 5

Process of bringing food into the oral cavity

Answer 5

Prehension

Question 6

The process of chewing food

Answer 6

Mastication

Question 7

What are the teeth held in place by?

Answer 7

Periodontal Ligament

Question 8

What are the cavities/sockets called where teeth are found?

Answer 8

Alveoli

Question 9

The part of the tooth that projects above the gingiva

Answer 9

The crown

Question 10

The part of the tooth that is embedded in the alveoli below the gingiva

Answer 10

The root

Question 11

The tip of the root of a tooth is called?

Answer 11

The apex

Question 12

What does the apex contain?

Answer 12

Blood vessels and nerves enter here

Question 13

Area of tooth where the crown and root meet

Answer 13

The neck

Question 14

Outer surface of teeth, facing toward the cheeks

Answer 14

Buccal surface

Question 15

Outer surface of teeth, facing towards the lips

Answer 15

Labial surface

Question 16

Inner surface of teeth, facing the tongue

Answer 16

Lingual surface

Question 17

Inner surface of teeth, facing the soft palate

Answer 17

Palatal surface

Question 18

Space between the teeth, facing the midline or center of dental arch

Answer 18

Mesial surface

Question 19

Space between the teeth, facing away from the center of the dental arch

Answer 19

Distal surface

Question 20

The surfaces on the upper and lower teeth that come together when the mouth is closed

Answer 20

Occlusal or masticatory

Question 21

Directional term when referring toward the crown of a tooth

Answer 21

Coronal

Question 22

Directional term when referring toward the root

Answer 22

Apical

Question 23

Thin layer of white hard material that covers the crown

Answer 23

Enamel

Question 24

What is the hardest substance in the body?

Answer 24

Enamel

Question 25

Layer under the enamel that forms the bulk of the tooth and is as hard as bone

Answer 25

Dentin

Question 26

Inner area that is surrounded by dentin

Answer 26

Pulp cavity

Question 27

Area of the tooth that contains blood supply and nerves that supply the tooth

Answer 27

Pulp cavity

Question 28

Teeth that do not continually grow because the apices of their roots are open for only a finite period of time

Answer 28

Brachyodont

Question 29

Teeth that grow continuously during most of the life of the animal because of a large reserve of crown beneath the gingiva

Answer 29

Hypsodont

Question 30

Species that have brachyodont teeth

Answer 30

Carnivores, humans, pigs (except for tusks)

Question 31

Species that have hypsodont teeth

Answer 31

Horses incisors Boar's canine teeth Ruminant cheek teeth

Question 32

How many adult teeth do dogs have?

Answer 32

42

Question 33

How many adult teeth do cats have?

Answer 33

30

Question 34

How many adult teeth do horses have?

Answer 34

40

Question 35

How many adult teeth do ruminants (cattle) have

Answer 35

32

Question 36

What muscles anchor the tongue in place?

Answer 36

Extrinsic muscles

Question 37

What muscles make up majority of the mass of the tongue, originate and insert on the tongue itself?

Answer 37

Intrinsic muscles

Question 38

What are the 3 parts of the tongue?

Answer 38

Apex Body Root

Question 39

Free unattached mobile tip of the tongue

Answer 39

Apex

Question 40

Long and slender part that links the apex with the root

Answer 40

Body

Question 41

Anchors tongue to hyoid bone and sides of the mandible

Answer 41

Root

Question 42

What type of epithelium covers the exterior of the tongue?

Answer 42

Cornified stratified squamous epithelium

Question 43

What is saliva mainly composed of?

Answer 43

Water

Question 44

Enzyme found in saliva, along with immunoglobulins, helps control the bacterial population in the oral cavity

Answer 44

Lysozyme

Question 45

Enzyme found in saliva, digests starch

Answer 45

Amylase

Question 46

Which species lack salivary amylase?

Answer 46

Dogs, cats, ruminants

Question 47

Horses produce a ___________ amount of salivary amylase

Answer 47

Limited

Question 48

What are the functions of saliva?

Answer 48

Lubrication Antibacterial action pH Regulation Thermoregulation Enzymatic digestion

Question 49

What are the 3 main salivary glands?

Answer 49

Parotid Mandibular Sublingual

Question 50

Salivary gland located ventral to the ear; serous secretion; accounts for half the volume of saliva produced

Answer 50

Parotid

Question 51

Salivary glands located under the tongue; mixed secretion

Answer 51

Sublingual

Question 52

Salivary glands located caudal to angle of the jaw; mixed secretion

Answer 52

Mandibular

Question 53

What is the temporomandibular joint (TMJ)?

Answer 53

Condylar joint that forms connection between condylar process of mandible and mandibular fossa of temporal bone

Question 54

How many TMJ's are there

Answer 54

2 - one on each side

Question 55

What are the movements of the TMJ?

Answer 55

Extension, flexion, translation

Question 56

Salivary secretion is regulated primarily by the _________ ___________

Answer 56

Nervous system

Question 57

___________ stimulation produces more watery saliva

Answer 57

Parasympathetic

Question 58

_________ stimulation produces a smaller amount of _______, ________ saliva

Answer 58

Sympathetic; thick, mucoid

Question 59

Thin Bonelike covering over the roots of brachyodont teeth; covers most of entire tooth superficial to the enamel in hyposodont teeth

Answer 59

Cementum