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dental assisting mda > Head + Neck Anatomy Chapter 9 > Flashcards

Head + Neck Anatomy Chapter 9 Flashcards

1
Q

The maxillary has 2 main branches called

A

Nasopalatine nerve and greater palatine nerve

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2
Q

the 3 smaller nerve branches off the maxillary are called

A

PSA, ASA, MSA

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3
Q

PSA stands for

A

Posterior superior alveolar nerve

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4
Q

What does the PSA do

A

Freezes the first, second and third molars

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5
Q

ASA stands for

A

Anterior superior alveolar nerve

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6
Q

What does the ASA do

A

freezes the front 6 teeth

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7
Q

MSA stands for

A

Middle superior alveolar nerve

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8
Q

What does the MSA do

A

Freezes first and second pre molars. And the root of first molar

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9
Q

The Mandibular has 3 main branches called

A

Buccal nerve, lingual nerve, and inferior alveolar nerve

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10
Q

The buccal nerve is responsible for freezing where

A

Mucous membrane, mucous periosteum and the retrmolar pad

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11
Q

what does the lingual nerve freeze?

A

anterior 2/3 of the tongue, and lingual mucosa membrane

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12
Q

The inferior alveolar nerve freezes what in the mouth

A

all of them up to the midline, the first 2/3 of tongue, mucosa, and floor of mouth

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13
Q

What are the three nerve branches from the inferior alveolar nerve

A

incisive, mental, mylohyoid

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14
Q

the sternocleidomastoid muscle is located where

A

from the clavicle up to the external auditory meatus

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15
Q

the trapezius is located where

A

the occipital bone down to the clavicle

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16
Q

The muscle surrounding your mouth responsible for closing and puckering lips is called?

A

the orbicularis oris

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17
Q

The Buccinator muscle does what function

A

compresses the cheeks to teeth for support

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18
Q

Where is the mentalis facial muscle located and what does it do

A

the chin, raises and wrinkles the chin & pushes up lower lip

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19
Q

What facial muscle is used when laughing to draw angle of the mouth up

A

Zygomatic major

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20
Q

How many facial expression muscles are there?

A

4

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21
Q

Mastication muscles aid in what action

A

chewing

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22
Q

what are the 4 mastication muscles

A

temporal, messeter, internal(medial) pterygoid, external(lateral) pterygoid

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23
Q

the medial pterygoid is responsible for

A

closing the jaw

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24
Q

The lateral pterygoid is responsible for

A

opening the jaw

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25
Mylohyoid floor muscle is what two working together
mylohyoid ridge and the hyoid. raising the tongue and lowering jaw
26
what are the 4 floor muscles called
mylohyoid, stylohyoid, geniohyoid, gastric
27
mastication muscles are fed by what nerve
the 5th cranial nerve (trigeminal nerve)
28
what's the 7th cranial nerve
the facial nerve - responsible for expression
29
what is the 12th cranial nerve
the hypoglossal nerve - responsible for movement in the tongue
30
VII is what number
7
31
XII is what number
12
32
V is what number
5
33
The parotid duct is also know as the
stensens duct
34
where is the parotid duct located
by the ear /cheekbone area
35
which salivary gland is the largest in size
the parotid duct is the biggest in size
36
the salivary gland that produces 60-65% of saliva is the
submandibular gland
37
sublingual salivary gland is the __ and produces 10%
smallest gland
38
Large circumvallate papillae are associated with which gland
von ebners minor salivary gland
39
what is bells palsy
the paralysis of facial muscles
40
sublingual salivary gland is located under
the tongue
41
Wharton's duct is part of
submandibular gland
42
the bartholins duct is apart of
the sublingual gland
43
mumps is a viral infection that affects which salivary gland
the parotid gland
44
xerostomia is a condition of
dry mouth
45
sialoliths is
salivary stones, mineralization in the ducts
46
which branch of the trigeminal nerve the largest
the Mandibular branch
47
____hyoid muscles are muscles of the what?
the floor of the mouth
48
___glossus muscles are muscles of the what?
extrinsic muscles, of the tongue
49
the nasopalatine nerve innervates where
the anterior palatine teeth
50
the nasopharyngeal tonsils are where in the body
located in the nasopharynx, upper nasal cavity
51
the palatine tonsils are located in...
in the oropharynx, anterior and posterior to pillars of fauces
52
lingual tonsils are on the
back of the tongue
53
the hypoglossal nerve innervates all the 'glossas muscles' but one, the
palatoglossal
54
the facial artery supplies blood to
pharyngeal muscles, facial muscles, tonsils, and the soft palate
55
The lingual artery supplies too the
tongue, floor of mouth, gums, palate, tonsils
56
external carotid artery supplies blood to the
brain and eyes
57
the internal coratid supplies blood the the
face and mouth
58
intrinsic muscles are where and what do they do
they're located withIN the tongue and help shape the tongue
59
Extrinsic muscles assist in ____
movement of mouth
60
Lateral meaning
side to side or away from the midline
61
Medial meaning
toward the midline
62
genioglossus has a movement of
down and out
63
which nerve can be found by feeling the mandibular notch?
Facial
64
Lymph nodes are responsible for
fighting disease by producing antibodies, the body main defense system
65
Cervical lymph nodes are located where
in the neck, Jugular - deep in SCM
66
Superficial lymph nodes are located where
on the head
67
air cells separated by thin layer of bone is which sinus
ethmoid sinus
68
the nasopalatine nerve enters through which foramen?
the incisive foramen
69
the greater palatine nerve enters through which foramen?
the posterior palatine foramen (closer to arch - molars)
70
the tongue has which nerve directly in it
the lingual nerve
71
inferior alveolar nerve branches through what bone
the mandible (below; inferior)
72
the Superior alveolar nerve branches where?
in the maxilla (above;superior)
73
parotid papilla are what
elevations of tissue on the inner cheek
74
infraorbital artery distributes to the
face
75
greater palatine artery distributes to
the lingual gingiva and hard palate
76
lymphadenopathy is a reaction to what circumstance
the patient has cancer/infection so lymph increase in size to fight
77
trigeminal nerve is the main source for
the oral cavity

dental assisting mda (35 decks)

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