Chapter 7 External Cranium Flashcards

0
Q

part of ethmoid that makes it a neurocranium bone

A

cribriform plate

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1
Q

bones of the neurocranium (6)

A

frontal, parietal, occipital, temporal, sphenoidal, ethmoidal

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2
Q

pterygoid muscles are for blank

A

chewing

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3
Q

these exit through holes in the foramen

A

cranial nerves

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4
Q

viscerocranium is the blank of the cranium

A

inside

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5
Q

paired bones of viscerocranium

A

maxillae, inferior nasal conchae, zygomatic, palatine, nasal, lacrimal

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6
Q

single viscerocranium bones

A

mandible, ethmoid, vomer

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7
Q

palatine bones are joined by a blank

A

suture

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8
Q

scalp cuts blank a lot because of blank which creates a large blank

A

bleed, muscles and aponeurosis separating, gape

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9
Q

five layers SCALP

A

skin, ct, aponeurosis, loose areolar tissue, pericranium

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10
Q

facial muscles are for blank

A

expression

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11
Q

innervation of facial muscles

A

facial nerve

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12
Q

facial nerve is cranial nerve blank

A

7

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13
Q

paralysis of entire half of face is from blank motor neuron

A

lower

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14
Q

example of lower motor neuron problem that paralyzes half the face

A

bells palsy

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15
Q

lower half of the face paralysis is from blank motor neuron lesion

A

upper

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16
Q

upper motor neuron is in the blank

A

cerebrum

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17
Q

example of upper motor neuron problem causing lower face paralysis

A

stroke

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18
Q

largest salivary gland and at TMJ

A

parotid

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19
Q

motor branches of cranial nerve seven

A

posterior auricular, temporal, zygomatic, buccal, marginal mandibular, cervical

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20
Q

there is no blank fascia on the face

A

deep

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21
Q

all facial muscles are in blank tissue

A

subcutaneous

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22
Q

cranial nerve ten

A

trigeminal nerve

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23
Q

three V branches of trigeminal nerve

A

V1 ophthalmic, V2 maxillary, V3 mandibular

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24
V1 innervates blank part of head
top frontal
25
cutaneous nerves of face like trigeminal are blank nerves
somatosensory
26
arteries of face and scalp mainly
external carotid/branches, internal carotid/branches
27
external carotid supplies blank of face
most
28
internal carotid only supplies branches to blank
medial part running above eye
29
orbit is blank shaped
pyramidal
30
apex of pyramid is blank
optic canal
31
base of pyramid is blank
eye socket
32
cranial nerves in orbit
2,3,4,V1,6
33
lots of blank in orbit
fat
34
there are orbital blank and blanks as well
veins, arteries
35
percentage of deaths from head injuries in US
10
36
half of all traumatic deaths involve blank
brain
37
calvaria fracture that compresses brain from a bone fragment
depressed fracture
38
most frequent calvaria fracture that occurs at point of impact but radiate away in two or more directions
linear calvarial fracture
39
bone is broken into several pieces in this type of fracture calvaria
comminuted
40
no fracture occurs at point of impact but on opposite side of cranium calvarian fracture
contrecoup fracture
41
premature closure of the cranial sutures can result in blank
cranial malformations
42
males or females usually have sutural malformations
males
43
premature closure of sagittal suture which creates a long narrow cranium
scaphocephaly
44
premature closure of coronal or lambdoid suture, twisted and asymmetrical
plagiocephaly
45
premature closure of coronal suture results in a tower like cranium
oxycephaly
46
oxycephaly is more common in blank
females
47
most common nontraumatic cause of facial nerve paralysis
viral infection near stylomastoid foramen
48
headaches and blank pain can be from brain tumors or simply fatigue
facial pain
49
indirect truamatic injury that displaces orbital walls
blowout fracture
50
protrusion of the eyeball caused by orbital fracture and bleeding pressure on eyeball
exophthalmos
51
extraocular muscles
levator palpebrae superioris, superior oblique, inferior oblique, superior rectus, inferior rectus, medial rectus, lateral rectus
52
all extraocular muscles besides blank attach at common tendinous nerve wrapping around optic nerve
levator palpebrae superioris
53
756 902
eye movements in H pattern to test all muscles
54
tmj is a blank synovial joint
modified hinge
55
fracture that can be life threatening in cranium because it overlies frontal branches of middle meningeal vessels
fracture of pterion
56
three ligaments of tmj
lateral lig, stylomandibular lig, sphenomandibular lig
57
four masticatory muscles
temporal, masseter, medial pterygoid, lateral pterygoid
58
yawning or large bite can cause blank
tmj dislocation
59
fancy term for double vision
diplopia
60
middle meningeal vessel hemorrhage may cause death in blank
few hours
61
tmj dislocation creates an inability to blank the mouth
close
62
tmj dislocation can cause rupture of blank
lateral ligament
63
masseter and medial pterygoid help with blank
protrusion
64
lateral pterygoid helps with this action
retrusion
65
masticatory muscles are innervated by blank
V3
66
buccinator is innervated by blank
facial nerve
67
both pterygoids come off blank
lateral pterygoid plate
68
four extrinsic muscles of the tongue
genioglossus, hyoglossus, styloglossus, palatoglossus
69
largest extrinsic muscle of tongue
genioglossus
70
hyoglossus inferior attachment
greater horns of hyoid
71
these two muscles pick up edges of tongue and creates groove
styloglossus, palatoglossus
72
innervation of tongue
12
73
palatoglossus is exception to innervation and innervated by blank
10
74
an injury to hypoglossal nerve will present with a blank of the tongue to the side of blank
lateral deviation, the lesion
75
paralysis of extra ocular muscles/palsies of orbital can be caused by these two injuries
head, brainstem