AP Lecture Quiz 1

Question 1

what shape are cells in the basal layer

Answer 1

cuboidal

Question 2

what shape are cells in the stratum spinosum

Answer 2

star shaped

Question 3

what are the layers (from bottom to top) of keratinized stratified squamous epithelium

Answer 3

1. basal layer
2. spinosum
3. granulosum
   4.corneum

Question 4

what are the layers of a non keratinized stratified squamous epithelium

Answer 4

1. basal
   2.spinosum
   3.superficial

Question 5

what are the layers on the basement membrane

Answer 5

internal basal lamina- surface closer to tooth
external basal lamina- surface closest to tissue

Question 6

what are rete pegs

Answer 6

finger-like projections that are used to pick up nutrients

Question 7

what significance does the connective tissue serve in relation to the epithelium

Answer 7

it houses blood vessels and nerves that the epithelium doesn’t for the skin

Question 8

what cells are in connective tissue

Answer 8

fibroblast
macrophages
masts

Question 9

what are fibroblast cells

Answer 9

they build connective tissue

Question 10

what are macropahges

Answer 10

they destruct bacteria

Question 11

what are mast cells

Answer 11

they fight infection all over the body

Question 12

what kind of fibers are in connective tissue

Answer 12

collagen and elastic fibers

Question 13

what is an oral cavity

Answer 13

the mouth

Question 14

what is a vestibule

Answer 14

1 tissue connecting to another

Question 15

what is the oral mucosa

Answer 15

the lining of your mouth

Question 16

what is the lamina propria

Answer 16

connective tissue

Question 17

what is the submucosa

Answer 17

the deep loose connective tissue underlying connective tissue under the epithelium ( supports the mucosa)

Question 18

what does histology mean

Answer 18

viewing tissue microscopically

Question 19

what makes up tissue?

Answer 19

cells and intercellular substance

Question 20

what are the four functions of the tongue?

Answer 20

1. taste
2. speech
3. mastication
   4.degltition

Question 21

what makes uo the body of the togue

Answer 21

the anterior two thirds (apex and middle third)

Question 22

what makes up the base/root of the tongue

Answer 22

the posterior third

Question 23

what is the median sulcus and what landmark does it serve as?

Answer 23

it is the line down the center of your tongue, marks the anterior two thirds of the tongue

Question 24

Filiform papilla
1.appearance
2.loaction
3.taste?
4.amount

Answer 24

1. very tiny and cone-shaped
   2.covers almost the entire surface of the tongue dorsum
2. no taste
3. numerous in amount

Question 25

circumvallate papilla
1. appearance
2.location
3. taste?
4. amount

Answer 25

1. forms a v shape
   2.separates body and base of tongue
2. bitter
3. about 8-11

Question 26

fungiform papilla
1.appearance
2.location
3. taste?
4. amount

Answer 26

1.large raised red areas, mushroom shaped
2. can cover all of tongue depending on person but primarily around apex/ apex lateral of tongue
3. salty/sweet
4. less numerous than filiform papilla

Question 27

foliate papilla
1.appearance
2.location
3.taste?
4.amount

Answer 27

1.leaf shaped
2.lateral surfaces of tongue
3.sour
4. not well developed on human tongue

Question 28

what is the dorsum of the tongue and what what is its histological structure

Answer 28

top of tongue; keratinized

Question 29

what is the ventral surface of the tongue and what is it histological structure

Answer 29

the bottom of the tongue; non keratinized