Internal Cranium / 2 Flashcards

0
Q

two types of intracranial hemorrhages

A

venous, arterial

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1
Q

blank leptomeningitis is often deadly

A

bacterial

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2
Q

more dangerous hemorrhage in brain

A

artery

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3
Q

dural folds function

A

separate hemispheres and compartments of brain

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4
Q

internal jugular begins at the end of blank sinus

A

sigmoid

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5
Q

diencephalon has the blank

A

thalami

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6
Q

thalamus acts as a blank center

A

sensory relay

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7
Q

too much fluid in csf spaces of brain and ventricles

A

hydrocephalus

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8
Q

hydrocephalus can be dangerous because it does this to brain

A

compresses

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9
Q

internal carotid arteries of circle of willis supplies blank part of brain

A

anterior

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10
Q

middle cerebral artery supplies blank and blank part of brain

A

external/lateral

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11
Q

3,7,9,10 is blank/blank

A

parasympathetic/efferent

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12
Q

cn 1

A

olfactory

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13
Q

olfactor nerve exits cranium through blank of blank

A

foramina, crib plate ethmoid

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14
Q

olfactory nerve has a blank and blank

A

bulb, tract

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15
Q

cn 2

A

optic nerve

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16
Q

olfactory functional area and end of pathway (part of brain interpreting smell)

A

Uncus of temporal lobe

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17
Q

optic nerve exits/enters cranium at blank

A

optic canal

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18
Q

optic nerve goes to the blank like most nerves

A

thalamus

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19
Q

thalamus is for blank information

A

sensory

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20
Q

left blank sees blank visual fields

A

cortex, right

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21
Q

longer the pathway, the easier it is for a blank

A

disturbance (pathology)

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22
Q

oculomotor nuclei are in the blank and thats where it leaves

A

midbrain

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23
Q

targets of oculomotor

A

recti/oblique muscles of eye (besides exceptions) (voluntary)

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24
Q

ciliary ganglion is where blank

A

parasympathetic pre/pos synaptic start/end

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25
Q

ciliary muscles (oculomotor) cause blank of pupil

A

constrict

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26
Q

zonular fibers are blank

A

suspensory ligaments

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27
Q

relationship between muscle and suspensory ligaments is blank

A

inverse

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28
Q

constricted pupils from ciliary muscles contraction allows blank of suspensory ligaments which creates blank lens

A

relaxing, thick

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29
Q

cranial nerve 4

A

trochlear

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30
Q

trochlear nerve exits cranium at blank

A

superior orbital fissure

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31
Q

trochlear nerve innervates blank

A

superior oblique muscle

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32
Q

cn five

A

trigeminal

33
Q

branchial motor means blank

A

voluntary, developed from anterior part of embryo

34
Q

upper motor neurons of trigeminal come from blank

A

primary motor cortex

35
Q

in brain, cranial nerves motor fibers blank unlike rest of body

A

cross over (bilateral innervation)

36
Q

V3 of trigeminal nerve goes through blank

A

foramen ovale of sphenoid

37
Q

otic ganglion is associated with blank

A

v3

38
Q

V3 innervates these

A

mylohyoid, anterior digastrics, masseter, lateral pterygoid, tensor tympani

39
Q

v1 innervates near blank

A

above eyelid

40
Q

v2 goes through blank

A

foramen rotundumb

41
Q

v2 innervates

A

lateral knows, upper lip, upper teeth, lower eyelid

42
Q

v3 innervates

A

mental nerve, inferior alveolar nerve (mandibular foramen), lingual nerve, tongue

43
Q

cn 6

A

abducens nerve

44
Q

abducens developed from black of embryo

A

back

45
Q

abducens exits cranium at blank

A

superior orbital fissure

46
Q

abducens innervates blank

A

lateral rectus of eye

47
Q

abducens runs along blank of posterior cranial fossa

A

clivus

48
Q

cn 7

A

facial nerve

49
Q

facial nerve exits cranium at blank

A

internal acoustic meatus, facial canal, stylomastoid foramen

50
Q

facial nerve also innervates these muscles

A

posterior belly of digastric, stylohyoid muscle

51
Q

parasympathetic parts of facial nerve innervate blank

A

glands

52
Q

chorda tympani and paroseal nerve carry blank fibers of facial nerve

A

parasympathetic

53
Q

part that interprets taste

A

inferior postcentral gyrus

54
Q

cn 8

A

vestibulocochlear (green) special sense (hearing)

55
Q

vestibulocochlear nerve exits cranium at blank

A

internal acoustic meatus

56
Q

7 and 8 leave blank together

A

brainstem

57
Q

vestibulocochlear nerve runs superior and goes to blank then blank that interprets

A

thalamus, right below gustatory center

58
Q

three targets of vestibulocochlear nerve

A
  1. eye muscles
  2. cerebellum
  3. postural back muscles
59
Q

cn 9 and exits

A

glossopharyngeal nerve, jugular foramen

60
Q

branchial motor part of glossopharyngeal nerve

A

stylopharyngeus muscle

61
Q

lesser petrousal nerve goes to blank gland

A

parotid

62
Q

lesser petrosal nerve carries parasympathetic fibers of blank

A

glossopharyngeal

63
Q

glossopharyngeal innervates this part of tongue and actually does blank

A

posterior, taste

64
Q

cn 10 and exits at blank

A

vagus, jugular foramen

65
Q

major parasympathetic nerve of the body

A

vagus nerve

66
Q

vagus nerve innervates these muscles

A

pharyngeal muscles,

67
Q

vagus nerve parasympathetically innervates the blank of intestines, stomach, throat, chest

A

viscera

68
Q

vagus nerve autonomically senses things like this

A

stretch of blood vessels, heart, gi tract

69
Q

funcitonal area of vagus

A

postcentral gyrus

70
Q

coughing is due to

A

vagus nerve stim

71
Q

cn 11 and exits at blank

A

accessory nerve, jugular foramen

72
Q

accessory nerve innervates these muscles

A

trapezius, levator scapulae

73
Q

cn12 and exits cranium at blank

A

hypoglossal, somatic motor, hypoglossal canal

74
Q

hypoglossal innervates these

A

genioglossus, hyoglossus, inferior part of tongue

75
Q

olfactory receptor neurons are in the olfactory epithelium (olfactory mucosa) in
the roof of the

A

nasal cavity

76
Q

optic nerve fibers arise from ganglion cells in the

A

retina

77
Q

primary visual cortex where optic nerve goes

A

occipital lobe

78
Q

oculomotor nerves enter the orbit through the blank

A

superior orbital fissures

79
Q

oculomotor nerve originates in brainstem and runs in the lateral wall of the blank

A

cavernous sinus

80
Q

trigeminal nerve originates from lateral surface of blank

A

pons

81
Q

vestibulaocochlear nerve originates from grooves between blank and blank

A

pons, medulla