oral cavity

Question 1

shallow vertical groove seen in the midline on the outer surface of the upper lip.

Answer 1

philtrum

Question 2

connect the inner surface of the lips to the gums

Answer 2

labial frenulae

Question 3

which mm forms the lat. wall of the vestibule

a. masseter
b. lateral pterygoid
c. buccinator
d. temporalis

Answer 3

C

Question 4

which of the ff structure forms the anterior roof of the mouth?

a. hard palate
b. soft palate
c. uvula
d. frenelum

Answer 4

a

soft palate - posterior roof

Question 5

connects the undersurface of the tongue in the midline to the floor of the mouth

Answer 5

frenulum

Question 6

structure lateral to frenulum

Answer 6

plica fimbriata

Question 7

Sensory Innervation of the Mouth (matching type) (^_^)
set A                             
Roof:
Floor:
Cheek

set B

a. buccal nerve
b. lingual nerve
c. greater palatine
d. nasopalatine nerves

Answer 7

Roof:C &D (branch CN V max)
Floor:B (branch CN V mand)
CheekA (V mand)

Question 8

true or false: there are 20 deciduous teeth, and begin to erupt at 6 years of age

Answer 8

false

6 mos

Question 9

divides the tongue into right and left

Answer 9

fibrous septum

Question 10

V shape sulcus, that divide the tongue into ant and post.

Answer 10

sulcus terminalis

small pit found on the apex of the sulcus -

foramen cecum

Question 11

These muscles are confined to the tongue and are not attached to bone.

nerve supply and action

Answer 11

INTRINSIC mm

Hypoglossal nerve

alter the shape of the tongue`

Question 12

These muscles are attached to bones and the soft palate

Answer 12

Extrinsic Muscles

hypoglossal

Question 13

fibrous sheet attached to the posterior border of the hard palate.

Answer 13

palatine aponeurosis

Question 14

structure medial to the fimbriated fold

Answer 14

lingual vein

Question 15

TRUE OR FALSE:

There are no papillae on the pharyngeal surface.

Answer 15

TRUE

Question 16

The bulk of the tongue is due to

a. lymph node
b. taste buds
c. muscle
d. glands

Answer 16

MUSCLE

Question 17

true or false:

all of the mm of the tongue were innervated by CN X

Answer 17

false

Question 18

superior longitudinal, inferior longitudinal, transverse, and vertical muscles
were called

a. intrinsic mm
b. extrinsic mm
C. NOTA
D. Both

Answer 18

A

Question 19

TRUE OR FALSE:

The major artery of the tongue is the lingual artery

Answer 19

TRUE

Question 20

General sensory innervation from the anterior two-thirds or oral part of the tongue is carried by

a. branch of CN 7
b. BRanch of CN 5

Answer 20

CN 5 mandibular

Question 21

Located opposite the second upper molar 
A. Stensen's duct 
B. Wharton's duct 
C. Bartholin's duct 
D. Rivinus duct

Answer 21

A

Question 22

Demarcates the oral cavity form the oropharynx
A. Pharyngoglossal arch 
B. Palatoglosal arch 
C. Palatopharyngeal arch 
D. Lesser palatine nerve

Answer 22

B

Question 23

Behind the central incisor for the passage of nasopalatine nerve 
A. Incisive fossa 
B, foramen cecum 
C. Greater palatine foramen 
D. Lesser palatine forAmen

Answer 23

A

Question 24

True or false
All lymphatic vessels from the tongue ultimately drain into the deep cervical chain of nodes along the internal jugular vein

Answer 24

True

Question 25

separates the oral cavity from the nasal cavities and forms the floor of nasal cavities A. Hard palate B. Soft pate C both D neither

Answer 25

A

Question 26

Structure that elevated to separate the nasopharynx from the oropharynx.

Answer 26

Soft palate

Question 27

The small tear-shaped muscular projection that hangs from the posterior free margin of the soft palate is the

Answer 27

Uvula

Question 28

5 Mm of the soft palate: which of the ff mm can elevate the palate above the neutral position a. tensor veli palatini (V3) b. Levator veli palatini(X) c. Palatopharyngeus(X) d. Palatoglossus(X) e. Musculus uvulae(X)

Answer 28

B a. tensor veli palatini - opens the pharyngotympanic tube c. palatopharyngeus - elevates pharynx; depresses the soft palate d. Palatoglossus - elevates back of the tongue; depresses the soft palate e. Musculus uvulae - Elevates and retracts uvula; thickens central region of soft palate pag nalito sa innervation isagot: Palate = vagus tongue = hypoglossal pero di lahat yan ang innervation nila...ok..

Question 29

found between the palatoglossal and palatopharyngeal folds on the lateral oropharyngeal wall

Answer 29

palatine tonsil

Question 30

blood supply of palatine HARD SOFT

Answer 30

HARD - greater palatine A. - from maxillary a. | SOFT - lesser palatine A. - from greater palatine A.

Question 31

venous pathway of palatine blood supply

Answer 31

pterygoid plexus >>>>network veins of palatine tonsil >>>>> pharyngeal vein >>>>> facial vein lymph drainage = deep cervical node

Question 32

the opening between the oral cavity and the oropharynx

Answer 32

oropharyngeal isthmus

Question 33

specialized regions of the oral mucosa that surround the teeth and cover adjacent regions of the alveolar bone.

Answer 33

gingivae

Question 34

which of the ff have a crown with a single pointed cusp, and 'grasp' a. incisor teeth b. canine teeth c. premolar d. molar

Answer 34

B a. incisor teeth - chisel-shaped crown, which 'cuts' c. premolar - have a crown with two pointed cusps d. molar - have three roots and crowns with three to five cusps, and 'grind'.

Question 35

blood supply of all lower teeth

Answer 35

inferior alveolar artery

Question 36

Lymphatic vessels from the teeth and gingivae drain mainly into a. submandibular node b. submenta c. deep cervical node d. NOTA e. AOTA

Answer 36

E

Question 37

innervation of the TEETH and gingivae

Answer 37

CN 5

Question 38

The walls of the oral cavity are formed by the

Answer 38

cheeks buccinator

Question 39

``` Buccinator is innervated by a. cn 7 b cn5 c. cn 12 d. aota ```

Answer 39

cn7

Question 40

the lower parts, including the teeth and oral part of the tongue, are innervated by cn 5. what division? a. V1 b. V2 c. V3 d. V4

Answer 40

c

Question 41

taste (special afferent-SA) from the oral part or anterior two-thirds of the tongue is carried by branches of the

Answer 41

facial nerve

Question 42

sympathetic fibers in the oral cavity ultimately come from spinal cord level

Answer 42

T1

Question 43

parasympathetic fibers to the glands within the oral cavity are also carried by branches of the

Answer 43

facial nerve