4/11/17 Dr. TRUMP Oral Mucosa TEST #4

Question 1

What are the three functions of oral mucosa?

Answer 1

• Protection
• Sensation
• Secretion

Question 2

T/F In the oral mucosa there is stratified squamous epithelium that has underlying lamina propria.

Answer 2

True

Question 3

Oral mucosa has 2 layers, what are they?

Answer 3

• Stratified squamous epithelium

- Lamina propria

Question 4

What is the connective tissue that supports the epithelium?

Answer 4

-Lamina propria

Question 5

What are the two layer of the lamina propria?

Answer 5

• Papillary

- Reticular

Question 6

What is the difference between orthokeratinized and parakeratinized?

Answer 6

-Ortho doesn’t contain nuclei

Question 7

Would you expect to find the stratum granulosum to be found in the ortho or parakeratinzed epithelium?

Answer 7

-Ortho

Question 8

What does the basal lamina do in the oral mucosa?

Answer 8

-Separates the epithelium and the lamina propria

Question 9

T/F The oral mucosa lacks langerhan cells

Answer 9

True

Question 10

What layer is where the cells divide to begin maturation in epithelial cells?

Answer 10

-Basal cells

Question 11

Where do cancers typically begin?

Answer 11

-Basal cells

Question 12

What functions as mechanical support to the epithelium and carries blood vessels/nerves?

Answer 12

-Lamina propria

Question 13

Which layer of the lamina propria is loose CT?

Answer 13

-Papillary layer

Question 14

Which layer of the lamina propria is dense CT?

Answer 14

-Retricular layer

Question 15

T/F THe oral mucosa of the cheek has a thinner lamina propria then the outer surface of the lip

Answer 15

True

Question 16

What area has the thinnest epithelium of the oral cavity, and is great for drug delivery?

Answer 16

-Sublingual mucosa (ventral tongue)

Question 17

Which mucosa has small rete pegs?

Answer 17

-Alveolar mucosa

Question 18

Which mucosa has tall rete pegs?

Answer 18

-Gingiva

Question 19

Lips: Keratinized or non-keratinized

Answer 19

Non-keratinized

Question 20

Cheeks: Keratinized or non-keratinized

Answer 20

Non-keratinized

Question 21

Gingiva: Keratinized or non-keratinized

Answer 21

Keratinized

Question 22

Hard palate: Keratinized or non-keratinized

Answer 22

Keratinized

Question 23

Floor of mouth: Keratinized or non-keratinzed

Answer 23

Non-keratinized

Question 24

Alveolar bone: Keratinized or non-keratinized

Answer 24

Non-keratinized

Question 25

Soft palate: Keratinized or non-keratinized

Answer 25

Non-keratinized

Question 26

Ventral tongue: Keratinized or non-keratinized

Answer 26

Non-keratinized

Question 27

Dorsal surface of the tongue: Keratinized or non-keratinized

Answer 27

-Specialized, but typically keratinzied

Question 28

What is the transition area between the skin and the oral mucous membrane?

Answer 28

-Mucocutaneous junction

Question 29

What is the line separating the vermillion zone and skin?

Answer 29

-Vermillion border

Question 30

What type of epithelium is the vermillion zone?

Answer 30

-Thin, keratinized epithelium

Question 31

T/F The vermillion zone has short CT papillae

Answer 31

False | -Long

Question 32

What is the area between the vermillion zone and labial mucosa?

Answer 32

-Intermediate zone

Question 33

Is the sulcular epithelium thick or thin?

Answer 33

-Thin-nonkeratinized

Question 34

What occupies the embrasure between teeth subjacent to the interdental contact area?

Answer 34

Interdental papilla

Question 35

What type of stratified squamous epithelium is the interdental papilla?

Answer 35

-Keratinized

Question 36

What is the concave tissue between the peaks of the interdental papillae (just below the contact area)?

Answer 36

-Col

Question 37

What type of stratified squamous epithelium is the col?

Answer 37

-Non-keratinzied

Question 38

Where do you find rugae in the hard palate?

Answer 38

-Anterior

Question 39

What is the midline hard palate called?

Answer 39

-Median palatine raphe

Question 40

What region of the hard palate has no submucosa and the lamina propria is directly attached to bone?

Answer 40

-Anterior

Question 41

What are the four papillae of the tongue?

Answer 41

- Filiform - Fungiform - Circumvallate - Foliate

Question 42

What papillae of the tongue has no taste buds?

Answer 42

-Filiform

Question 43

Where do you find fungiform papillae?

Answer 43

-Anterior tongue

Question 44

What is the largest papillae of the tongue?

Answer 44

-Circumvallate

Question 45

Where are circumvallate papillae located?

Answer 45

-Located along sulcus terminalis

Question 46

What papillae of the tongue are located on posterolateral border?

Answer 46

-Foliate

Question 47

What papillae of the tongue are parallel ridges with furrows?

Answer 47

-Foliate

Question 48

What are the two components of the Dentogingival junction?

Answer 48

- JUnctional epithelium | - Epithelial attachment

Question 49

Which component of the dentogingival junction forms the floor of the gingival sulcus?

Answer 49

-Junctional epithelium

Question 50

What is the junctional epithelium derived from?

Answer 50

-REE

Question 51

What component of the dentogingival junction extends apically along root to form a seal?

Answer 51

-Junctional epithelium

Question 52

Which component of the dentogingival junction is basal lamina like material?

Answer 52

-Epithelial attachment

Question 53

Which component of the dentogingival junction contains the enamel cuticle from protective ameloblasts?

Answer 53

-Epithelial attachment

Question 54

Which component of the dentogingival junction has hemidesmosomes?

Answer 54

-Epithelial attachment

Question 55

T/F A healthy sulcus should not have rete pegs

Answer 55

True

Question 56

What do rete pegs in the sulcus indicate?

Answer 56

-Inflammation

Question 57

What is the CT supporting junctional epithelium and is different than that under gingival and sulcular epithelium?

Answer 57

-Dentogingival epithelium

Question 58

T/F Junctional epithelium does not mature because of the deeper permissive influences

Answer 58

True