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AUDE 5160 > nervous system > Flashcards

nervous system Flashcards

1
Q

two branches of the nervous system

A

central nervous system and peripheral nervous system

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2
Q

central nervous system (CNS)

A

encased in bones of the skull and vertebral column

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3
Q

cerebrum

A

sensory, motor, and higher mental function

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4
Q

6 lobes of the cerebrum

A

frontal, parietal, temporal, occipital, limbic, and insula

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5
Q

frontal lobe

A

higher processes : thinking, decision making, planning

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6
Q

parietal lobe

A

processes sensory information

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7
Q

temporal lobe

A

auditory
-superior, middle, and inferior temporal gyrus

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8
Q

occipital lobe

A

visual information

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9
Q

limbic lobe

A

processes memory and emotion
-midsagittal cut to see it
-around corpus callosum

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10
Q

insula lobe

A

involved in consciousness
-pull temporal lobe down and lift up on parietal and frontal lobe

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11
Q

gyrus

A

fold
-the hills

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12
Q

sulcus

A

groove
-the valleys

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13
Q

central sulcus of rolando

A

between frontal and parietal lobe

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14
Q

lateral sulcus

A

on the edge of the temporal lobe

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15
Q

angular gyrus

A

back corner/angle of temporal lobe
-below sylvian sulcus

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16
Q

supramarginal gyrus

A

above the sylvian sulcus

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17
Q

precentral gyrus

A

frontal lobe side
-primary motor strip

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18
Q

postcentral gyrus

A

parietal lobe side
-primary somatosensory strip

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19
Q

how is HAL situated

A

knee and foot bent around into central sulcus, anterior is hand then anterior and inferior is the face
-mapped for how much control or sensitivity you need for different areas

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20
Q

fissures

A

deep grooves
-i.e. separation of hemispheres

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21
Q

cerebellum

A

balance and coordinated movement
-layered tissue hanging off the back of the brain

22
Q

brainstem

A

regulates cardiac and respiratory functions, reactions to auditory/visual stimuli
-life controlling area
-midbrain, pons, medulla

23
Q

diencephalon

A

controls homeostasis
-thalamus, hidden unless we cut
-gateway for things coming from spinal cord to brain
-3rd ventricle

24
Q

3rd ventricle

A

pocket between the two thalami
-fluid comes through and flows to 4th

25
Q

superior temporal gyrus

A

temporal lobe
-primary auditory strip

26
Q

meninges

A

dura, arachnoid, pia
-PAD (pia being closer to brain tissue)

27
Q

cerebrospinal fluid

A

provides a fluid cushion, surrounding the brain and spinal cord
-circulated in the brain, ventricles (housed and produced)

28
Q

peripheral nervous system (PNS)

A

consists of nerve fibers and cell bodies outside the CNS
-stuff that exists bones at some point and goes elsewhere

29
Q

how do spinal nerves exit the vertebral column

A

they exit under their given vertebrae EXCEPT in the cervical region, they will go out above their given vertebrae

30
Q

how many spinal nerves are at each level of the column

A

cervical : 7 vertebrae, 8 nerves
thoracic : 12 vertebrae, 12 nerves
lumbar : 5 vertebrae, 5 nerves
sacral : 1 bones, 5 nerves (5 vertebrae)
coccygeal : 1 bone, 1 nerve

31
Q

motor nerves

A

to muscle or glands
- anterior or ventral roots

32
Q

sensory nerves

A

from receptor organ
-posterior or dorsal roots

33
Q

cranial nerves

A

12 nerves each with their own functions
-1 and 2 not in brainstem, the rest are resided within the brainstem

34
Q

cranial nerve 1 and 2

A

nose and eye functions

35
Q

cranial nerve 3

A

oculomotor nerve

36
Q

cranial nerve 4

A

trochlear

37
Q

cranial nerve 6

A

abducens
-lateral rectus of the eye

38
Q

cranial nerve 7

A

facial nerve
-7 UP

39
Q

cranial nerve 8

A

vestibulocochlear
-8 DOWN

40
Q

neurons vs. glia cells

A

main cell vs. supporting cell

41
Q

synapse

A

small gap that allows for an action to pass through

42
Q

cranial nerves within the midbrain

A

3 and 4

43
Q

cranial nerves within the pons

A

5, 6, 7, 8

44
Q

cranial nerves within the medulla

A

9, 10, 11, 12

45
Q

what is S1

A

somatosensory cortex
-postcentral gyrus in parietal lobe

46
Q

what is M1

A

primary motor cortex
-precentral gyrus in frontal lobe

47
Q

what is A1

A

primary auditory cortex
-super/medial side of superior gyrus in temporal lobe

48
Q

what is V1

A

primary visual cortex in occipital lobe

49
Q

area for broca’s aphasia

A

frontal lobe, above lateral fissure

50
Q

area for wenicke’s aphasia

A

around the angular gyrus at the end of the temporal lobe

51
Q

what connects broca’s and wenicke’s area

A

arcuate fasciculus

AUDE 5160 (23 decks)

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