Oral Cavity and Salivary Glands

Question 1

-
-
-
-

Answer 1

• ingestion
• tastes and other sensory responses to food
• mastication
• chemical digestion
• deglutition, speech, and respiration

Question 2

The boundaries of the Oral Cavity is subdivided into the ______ external to the teeth and the _______ ______ ________ internal to the teeth

Answer 2

vestibule
oral cavity proper

Question 3

Boundaries of the Oral Cavity

externally:

internally:

Answer 3

externally: extends from the lips and cheeks to the pillars of the fauces

internally: continues into the oropharynx

Question 4

The oral Cavity i conveniently divided by the arch formed by the teeth and gums into:
1.
2.

Answer 4

1. oral vestibule
2. oral cavity proper

Question 5

it is a slit-like space between the lips and cheeks, and the teeth and alveolus

Answer 5

Oral Vestibule

Question 6

when the teeth occlude, the vestibule is a ____ ______that communicates with the oral cavity proper only behind the _____

Answer 6

closed space
last molars

Question 7

Boundaries of the oral vestibule
1.
2.
3.
4.

Answer 7

1. anteriorly by the lips
2. laterally by the cheeks
3. superiorly/ inferiorly by the mucobuccal folds
4. posteriorly by the teeth and gums

Question 8

Boundaries of the oral cavity proper
1.
2.
3.
4.

Answer 8

1. anteriorly and laterally by the teeth and gums
2. superiorly by the palate
3. inferiorly by the tongue and the floor of the mouth
4. posteriorly by the opening into the pharynx

Question 9

The movable floor of the mouth is a small, horseshoe-shaped region above the mylohyoid muscle and beneath the movable part of the tongue, covered by a lining of non-keratinized mucosa

Answer 9

sublingual region

Question 10

Characteristics features of the sublingual region
1.
2.
3.
4.
5.
6.

Answer 10

1. anterior 2/3 of the tongue
2. lingual frenulum
3. lingual vein
4. sublingual caruncle
5. sublingual folds
6. fimbriated fold

Question 11

it is the pink- colored keratinized mucosa that surrounds and protects the teeth, it is perfused by multiple small arteries that originate from branches coming off the carotid artery

Answer 11

Gums and gingiva

Question 12

it forms the roof of the mouth and separates the oral and nasal cavities

Answer 12

palate

Question 13

palate is divided into the ______ hard palate anteriorly and the _____ movable soft palate posteriorly

Answer 13

• immovable
• movable

Question 14

The skeleton of the hard palate is _____ while that of the soft palate is _________

Answer 14

• bony
• fibrous

Question 15

the boundary between the soft palate and hard palate is readily palpable and may be distinguisged by a change in ______, the soft palate having a _______ tint

Answer 15

• color
• yellowish

Question 16

it is covered by a masticatory, keratinized mucosa that is firmly bound down to underlying bone and also contains some taste buds

Answer 16

hard palate

Question 17

hard palate shows a _____ _______ immediately behind the maxillary central incisors, the incisive papilla

Answer 17

distinct prominence

Question 18

a ridge extending posteriorly in the midline

Answer 18

palatine raphe

Question 19

elevated ridges in the anterior part of the hard palate

Answer 19

palatine rugae

Question 20

Characteristic features: Hard palate
1.
2.
3.
4.

Answer 20

1. incisive papilla
2. median raphe
3. transverse palatine process or palatine rugae
4. fovae palatine

Question 21

Characteristics features: soft palatine
1.
2.
a.
b.

Answer 21

1.uvula
2.palatine arches
a. palatoglossal arch
b. platapharyngeal arch

Question 22

these folds cover the palatoglossus and palatopharyngeus muscles and between them lies the tonsillar fossa

Answer 22

palatoglossal and palatopharyngeal folds

Question 23

palatoglossal and palatopharyngeal folds extends _____ from the free border of the ______ palate on each side

Answer 23

-laterally
- soft

Question 24

which fold is more anterior?

Answer 24

palatoglossal fold

Question 25

the free edge of the soft palate in the midline

Answer 25

palatal uvula

Question 26

it is a muscular organ with its base attached to the floor of the mouth

Answer 26

tongue

Question 27

tongue is attached to the inner surface of the mandible near the midline and gains ____ below from the _______ bone

Answer 27

• support
• hyoid

Question 28

tongue functions in mastication, ______, and speech and carries out important _______ function particulary those of taste

Answer 28

• swallowing
• sensory

Question 29

What are the 3 main parts of the tongue?

Answer 29

1. tip or apex
2. body
3. base of the tongue

Question 30

3 main parts of the tongue

the most anterior and most mobile aspect of the tongue

Answer 30

apex or tip

Question 31

3 main parts of the tongue

has a rough dorsal surface that abuts the palate and is populated with taste buds and lingual papillae, and a smooth ventral surface that is attached to the floor of the oral cavity by the lingual frenulum

Answer 31

body of the tongue

Question 32

3 main parts of the tongue

most posterior part, it is populated by numerous lymphoid aggregates known as the lingual tonsils along with foliate papillae along yhe posterolateral surface

Answer 32

body of the tongue

Question 33

four different types of taste buds

Answer 33

1. filiform
2. fungiform
3. circumvallate
4. foliate

Question 34

different types of taste buds

located on the front 2/3 of the tongue, they are thread-like in appearance. they do not contain taste buds

Answer 34

filiform

Question 35

different types of taste buds

mushroom-like in shape. located mostly on the sides and tip of the tongue, consists of approximately 1, 600k taste buds

Answer 35

fungiform

Question 36

different types of taste buds

the small bumps on the back of the tongue. they appear larger than the other types of papillae, contains approximately 250 taste buds.

Answer 36

circumvallate

Question 37

located o each side of the back portion of the tongue. the look like roughs fold of tissue. each person has about 2 foliate papillae, which contain 700 taste buds

Answer 37

Foliate