Test Three Oral Cavity

Question 1

Oral cavity is made up

Answer 1

Lips, gums, cheeks, hard palate and soft palate

Question 2

What must be added to make true oral cavity

Answer 2

Tongue and salivary glands

Question 3

Function of oral cavity

Answer 3

Entrance to GI tract, taste of food, mechanical breakdown of food, speech, some digestion by amylase enzymes, inhibition of microbial growth by immunoglobulins and lactoperioxidase

Question 4

Carb digestion begins where

Answer 4

Oral cavity

Question 5

Lactoperoxidase breaksdown what

Answer 5

Pathogens

Question 6

What are the three areas of the lips

Answer 6

Cutaneous, red, and oral

Question 7

Describe cutaneous portion of lips

Answer 7

Keratinized, stratified squamous, sweat glands, sebaceous glands, hair follicles

Question 8

Describe red area of lips

Answer 8

Non keratinized stratified squamous, tall vascular CT papillae, no glands

Question 9

Describe oral area of lips

Answer 9

Non keratinized stratified squamous, vascular papillae, similar to histology of cheek, serous and mucous glands, skeletal muscle

Question 10

Purpose of serous and mucous secreting glands in oral portion of lips

Answer 10

Lubrication for lips against teeth

Question 11

Epithelium of gum

Answer 11

Keratinized stratified squamous

Question 12

What is present in gums

Answer 12

Long vascular papillae

Question 13

What is in the lamina propria of the gums

Answer 13

Dense irregular CT with course collagen fibers

Question 14

Is submucosa or glands present in gums

Answer 14

No

Question 15

Epithelium of hard palate

Answer 15

Keratinized stratified squamous with stratum granulosum

Question 16

What is above the hard palate

Answer 16

Nasal cavity

Question 17

Nasal cavity is lined with

Answer 17

Pseudostratified columnar epi with cilia

Question 18

Inferior of the hard palate is

Answer 18

Oral cavity

Question 19

Oral cavity is lined with

Answer 19

Stratified squamous

Question 20

What is an identifying characteristic of hard palate

Answer 20

Bone

Question 21

In anterior 1/2 of hard palate what is present

Answer 21

Yellow adipose

Question 22

What will you see in posterior 1/2 of hard palate

Answer 22

Mucous glands that help lubricate food to pass down esophagus

Question 23

Is long vascular CT papillae present in hard palate

Answer 23

Yes

Question 24

The oral surface of the soft palate is covered by

Answer 24

Keratinized stratified squamous

Question 25

The nasal surface of the soft palate is covered by

Answer 25

Respiratory epi

Question 26

Is bone present in the soft palate

Answer 26

No

Question 27

Describe submucosa of soft palate

Answer 27

Loose CT with a lot of mucous glands

Question 28

What is an identifying characteristic of soft palate

Answer 28

Skeletal muscle

Question 29

Function of saliva

Answer 29

Lubrication, cleans the mouth, adds moisture to food, clean surface of tongue and leave taste buds in clean state, digestive properties

Question 30

Saliva is made up of

Answer 30

WATER, mucoproteins, immunoglobulins, carbs, ions, inorganic elements

Question 31

Salivary glands are located

Answer 31

Outside of oral cavity

Question 32

Salivary ducts form from

Answer 32

Secretory alveoli

Question 33

What forms from the secretory alveoli

Answer 33

Intralobular duct

Question 34

What are the two parts of the intralobular duct

Answer 34

Intercalated ducts and striated ducts

Question 35

Intercalated ducts are lined with

Answer 35

Simple squamous to low columnar epithelium

Question 36

Striated ducts are lined with

Answer 36

Simple columnar epithelium

Question 37

The union of intralobular ducts creates

Answer 37

Interlobular ducts

Question 38

Interlobular ducts are lined with

Answer 38

Simple columnar epithelium

Question 39

Interlobular ducts unite into what

Answer 39

Interlobar ducts

Question 40

Interlobar ducts are lined with

Answer 40

Stratified cuboidal epithelium

Question 41

Interlobar ducts unite into what

Answer 41

Main duct of gland

Question 42

Main duct of salivary gland is lined with

Answer 42

Stratified cuboidal epithelium

Question 43

What are the two types of secretory units that make up salivary glans

Answer 43

Serous secretory unit and mucous unit

Question 44

Serous secretory unit secretes

Answer 44

Watery material

Question 45

Secretory units are made up of

Answer 45

Pyramidal cells that sit on a basal lamina an form a narrow lumen, central round nucleus

Question 46

What is inside serous secretory units

Answer 46

Zymogen granules

Question 47

Mucous secretory units secrete

Answer 47

A thick viscous fluid

Question 48

Mucous secretory unit have cells that surround

Answer 48

A larger lumen with peripheral nucleus

Question 49

What are serous demilunes

Answer 49

Mixed aveoli that has mucous secretory units with a crescentric shaped serous cap off one side

Question 50

Zymogen granules produce

Answer 50

Digestive enzymes

Question 51

What are the three different types of salivary glands

Answer 51

Parotid gland, submandibular gland, sublingual gland

Question 52

Parotid gland is in what capsule

Answer 52

CT capsule

Question 53

What is found in the parotid gland

Answer 53

Unilocular adipose tissue

Question 54

The submandibular gland is a mixed gland that is mostly

Answer 54

Serous

Question 55

What mucous units are found in the submandibular gland

Answer 55

Serous demilunes

Question 56

What type of capsule surrounds submandibular gland

Answer 56

CT capsule

Question 57

The sublingual gland is what type of gland

Answer 57

Mixed

Question 58

Sublingual gland is primary made of

Answer 58

Mucous secretory units and a few serous units

Question 59

The tongue is made up of

Answer 59

Skeletal muscle

Question 60

Tongue is covered with

Answer 60

Keratinized stratified squamous epithelium

Question 61

The anterior 1/3 of tongue contains what gland

Answer 61

Serous glands

Question 62

The posterior 1/3 of the tongue has what type of gland

Answer 62

Mucous gland

Question 63

The middle 1/3 of the tongue has what gland

Answer 63

Both serous and mucous gland

Question 64

What are the four lingual papilla of the tongue

Answer 64

Filiform, fungiform, circumvallate, foliate

Question 65

What are filiform lingual papilla

Answer 65

Made up of keratin of epi and lack taste buds

Question 66

What is the most numerous lingual papilla

Answer 66

Filiform

Question 67

The fungiform papillae are scattered among

Answer 67

Filiform papillae

Question 68

Describe fungiform papillae

Answer 68

Shaped like mushroom with narrow stalk and dilated upper portion

Question 69

What lines the fungiform papillae

Answer 69

Nonkeratinized stratified squamous epithelium and is highly vascularized

Question 70

Are taste buds present in fungiform papillae

Answer 70

Yes

Question 71

Where are circumvaliate papillae found

Answer 71

Along the sulcus terminalis

Question 72

What is in circumvaliate papillae

Answer 72

Taste buds and von Ebner’s glands

Question 73

Function of von Ebner’s glands

Answer 73

Secrete lipase

Question 74

Where are foliate papillae found

Answer 74

Dorsal lateral surface of tongue

Question 75

The foliate papillae form what

Answer 75

Two parallel rides with serous glands in between the ridges

Question 76

Are taste buds present in foliate papillae

Answer 76

Yes

Question 77

Taste buds are

Answer 77

Chemoreceptors

Question 78

Taste buds rest on

Answer 78

Basal lamina

Question 79

What covers taste buds

Answer 79

Epithelium except at a small opening

Question 80

What is the small opening called of the taste bud

Answer 80

Taste pore

Question 81

What are the three types of cells seen in taste bud

Answer 81

Type 1, type 2, and basal cells

Question 82

Type one cells of taste buds are

Answer 82

Dark staining support cells

Question 83

Type 2 cells of taste buds are

Answer 83

Light staining neuroepithelial cells

Question 84

Basal cells of taste buds are

Answer 84

Parent cells for the Type 1 and type 2 cells

Question 85

What makes sour in taste buds

Answer 85

H+

Question 86

What makes bitter in taste buds

Answer 86

OH-

Question 87

What makes salty in taste buds

Answer 87

Na+ and Cl-

Question 88

What makes sweet in taste buds

Answer 88

Glucose

Question 89

Fungiform papillae are rich in

Answer 89

Blood supply