Chapter 7 External Cranium Flashcards Preview

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Flashcards in Chapter 7 External Cranium Deck (76)
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0
Q

part of ethmoid that makes it a neurocranium bone

A

cribriform plate

1
Q

bones of the neurocranium (6)

A

frontal, parietal, occipital, temporal, sphenoidal, ethmoidal

2
Q

pterygoid muscles are for blank

A

chewing

3
Q

these exit through holes in the foramen

A

cranial nerves

4
Q

viscerocranium is the blank of the cranium

A

inside

5
Q

paired bones of viscerocranium

A

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

6
Q

single viscerocranium bones

A

mandible, ethmoid, vomer

7
Q

palatine bones are joined by a blank

A

suture

8
Q

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

A

bleed, muscles and aponeurosis separating, gape

9
Q

five layers SCALP

A

skin, ct, aponeurosis, loose areolar tissue, pericranium

10
Q

facial muscles are for blank

A

expression

11
Q

innervation of facial muscles

A

facial nerve

12
Q

facial nerve is cranial nerve blank

A

7

13
Q

paralysis of entire half of face is from blank motor neuron

A

lower

14
Q

example of lower motor neuron problem that paralyzes half the face

A

bells palsy

15
Q

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

A

upper

16
Q

upper motor neuron is in the blank

A

cerebrum

17
Q

example of upper motor neuron problem causing lower face paralysis

A

stroke

18
Q

largest salivary gland and at TMJ

A

parotid

19
Q

motor branches of cranial nerve seven

A

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

20
Q

there is no blank fascia on the face

A

deep

21
Q

all facial muscles are in blank tissue

A

subcutaneous

22
Q

cranial nerve ten

A

trigeminal nerve

23
Q

three V branches of trigeminal nerve

A

V1 ophthalmic, V2 maxillary, V3 mandibular

24
Q

V1 innervates blank part of head

A

top frontal

25
Q

cutaneous nerves of face like trigeminal are blank nerves

A

somatosensory

26
Q

arteries of face and scalp mainly

A

external carotid/branches, internal carotid/branches

27
Q

external carotid supplies blank of face

A

most

28
Q

internal carotid only supplies branches to blank

A

medial part running above eye

29
Q

orbit is blank shaped

A

pyramidal

30
Q

apex of pyramid is blank

A

optic canal

31
Q

base of pyramid is blank

A

eye socket

32
Q

cranial nerves in orbit

A

2,3,4,V1,6

33
Q

lots of blank in orbit

A

fat

34
Q

there are orbital blank and blanks as well

A

veins, arteries

35
Q

percentage of deaths from head injuries in US

A

10

36
Q

half of all traumatic deaths involve blank

A

brain

37
Q

calvaria fracture that compresses brain from a bone fragment

A

depressed fracture

38
Q

most frequent calvaria fracture that occurs at point of impact but radiate away in two or more directions

A

linear calvarial fracture

39
Q

bone is broken into several pieces in this type of fracture calvaria

A

comminuted

40
Q

no fracture occurs at point of impact but on opposite side of cranium calvarian fracture

A

contrecoup fracture

41
Q

premature closure of the cranial sutures can result in blank

A

cranial malformations

42
Q

males or females usually have sutural malformations

A

males

43
Q

premature closure of sagittal suture which creates a long narrow cranium

A

scaphocephaly

44
Q

premature closure of coronal or lambdoid suture, twisted and asymmetrical

A

plagiocephaly

45
Q

premature closure of coronal suture results in a tower like cranium

A

oxycephaly

46
Q

oxycephaly is more common in blank

A

females

47
Q

most common nontraumatic cause of facial nerve paralysis

A

viral infection near stylomastoid foramen

48
Q

headaches and blank pain can be from brain tumors or simply fatigue

A

facial pain

49
Q

indirect truamatic injury that displaces orbital walls

A

blowout fracture

50
Q

protrusion of the eyeball caused by orbital fracture and bleeding pressure on eyeball

A

exophthalmos

51
Q

extraocular muscles

A

levator palpebrae superioris, superior oblique, inferior oblique, superior rectus, inferior rectus, medial rectus, lateral rectus

52
Q

all extraocular muscles besides blank attach at common tendinous nerve wrapping around optic nerve

A

levator palpebrae superioris

53
Q

756 902

A

eye movements in H pattern to test all muscles

54
Q

tmj is a blank synovial joint

A

modified hinge

55
Q

fracture that can be life threatening in cranium because it overlies frontal branches of middle meningeal vessels

A

fracture of pterion

56
Q

three ligaments of tmj

A

lateral lig, stylomandibular lig, sphenomandibular lig

57
Q

four masticatory muscles

A

temporal, masseter, medial pterygoid, lateral pterygoid

58
Q

yawning or large bite can cause blank

A

tmj dislocation

59
Q

fancy term for double vision

A

diplopia

60
Q

middle meningeal vessel hemorrhage may cause death in blank

A

few hours

61
Q

tmj dislocation creates an inability to blank the mouth

A

close

62
Q

tmj dislocation can cause rupture of blank

A

lateral ligament

63
Q

masseter and medial pterygoid help with blank

A

protrusion

64
Q

lateral pterygoid helps with this action

A

retrusion

65
Q

masticatory muscles are innervated by blank

A

V3

66
Q

buccinator is innervated by blank

A

facial nerve

67
Q

both pterygoids come off blank

A

lateral pterygoid plate

68
Q

four extrinsic muscles of the tongue

A

genioglossus, hyoglossus, styloglossus, palatoglossus

69
Q

largest extrinsic muscle of tongue

A

genioglossus

70
Q

hyoglossus inferior attachment

A

greater horns of hyoid

71
Q

these two muscles pick up edges of tongue and creates groove

A

styloglossus, palatoglossus

72
Q

innervation of tongue

A

12

73
Q

palatoglossus is exception to innervation and innervated by blank

A

10

74
Q

an injury to hypoglossal nerve will present with a blank of the tongue to the side of blank

A

lateral deviation, the lesion

75
Q

paralysis of extra ocular muscles/palsies of orbital can be caused by these two injuries

A

head, brainstem