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ANA > oral cavity > Flashcards

oral cavity Flashcards

1
Q

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

A

philtrum

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2
Q

connect the inner surface of the lips to the gums

A

labial frenulae

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3
Q

which mm forms the lat. wall of the vestibule

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

A

C

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4
Q

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

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

A

a

soft palate - posterior roof

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5
Q

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

A

frenulum

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6
Q

structure lateral to frenulum

A

plica fimbriata

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7
Q 
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

A

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

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8
Q

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

A

false

6 mos

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9
Q

divides the tongue into right and left

A

fibrous septum

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10
Q

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

A

sulcus terminalis

small pit found on the apex of the sulcus -

foramen cecum

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11
Q

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

nerve supply and action

A

INTRINSIC mm

Hypoglossal nerve

alter the shape of the tongue`

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12
Q

These muscles are attached to bones and the soft palate

A

Extrinsic Muscles

hypoglossal

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13
Q

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

A

palatine aponeurosis

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14
Q

structure medial to the fimbriated fold

A

lingual vein

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15
Q

TRUE OR FALSE:

There are no papillae on the pharyngeal surface.

A

TRUE

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16
Q

The bulk of the tongue is due to

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

A

MUSCLE

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17
Q

true or false:

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

A

false

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18
Q

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

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

A

A

19
Q

TRUE OR FALSE:

The major artery of the tongue is the lingual artery

A

TRUE

20
Q

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

A

CN 5 mandibular

21
Q 
Located opposite the second upper molar 
A. Stensen's duct 
B. Wharton's duct 
C. Bartholin's duct 
D. Rivinus duct
A

A

22
Q 
Demarcates the oral cavity form the oropharynx
A. Pharyngoglossal arch 
B. Palatoglosal arch 
C. Palatopharyngeal arch 
D. Lesser palatine nerve
A

B

23
Q 
Behind the central incisor for the passage of nasopalatine nerve 
A. Incisive fossa 
B, foramen cecum 
C. Greater palatine foramen 
D. Lesser palatine forAmen
A

A

24
Q

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

A

True

25
Q

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

A

A

26
Q

Structure that elevated to separate the nasopharynx from the oropharynx.

A

Soft palate

27
Q

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

A

Uvula

28
Q

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)

A

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..

29
Q

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

A

palatine tonsil

30
Q

blood supply of palatine
HARD
SOFT

A

HARD - greater palatine A. - from maxillary a.

SOFT - lesser palatine A. - from greater palatine A.

31
Q

venous pathway of palatine blood supply

A

pterygoid plexus&raquo_space;»network veins of palatine tonsil&raquo_space;»> pharyngeal vein&raquo_space;»> facial vein

lymph drainage = deep cervical node

32
Q

the opening between the oral cavity and the oropharynx

A

oropharyngeal isthmus

33
Q

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

A

gingivae

34
Q

which of the ff have a crown with a single pointed cusp, and ‘grasp’

a. incisor teeth
b. canine teeth
c. premolar
d. molar

A

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’.

35
Q

blood supply of all lower teeth

A

inferior alveolar artery

36
Q

Lymphatic vessels from the teeth and gingivae drain mainly into

a. submandibular node
b. submenta
c. deep cervical node
d. NOTA
e. AOTA

A

E

37
Q

innervation of the TEETH and gingivae

A

CN 5

38
Q

The walls of the oral cavity are formed by the

A

cheeks

buccinator

39
Q 
Buccinator is innervated by 
a. cn 7
b cn5
c. cn 12
d. aota
A

cn7

40
Q

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

A

c

41
Q

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

A

facial nerve

42
Q

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

A

T1

43
Q

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

A

facial nerve

ANA (3 decks)

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