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2ND SEM NEUROANATOMY > Introduction And Organization Of The Nervous System By Dr. Anuta > Flashcards

Introduction And Organization Of The Nervous System By Dr. Anuta Flashcards

(84 cards)

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1
Q

The _________ is the organ of consciousness, cognition, ethics, and behavior as such, it is the most intricate structure known to exist.

A

human nervous system

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2
Q

______ of the 23,000 genes encoded in the human genome are expressed in the NS.

A

> 1/3

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3
Q

Neurons exist within a dense parenchyma of multifunctional _________ that synthesize myelin, preserve homeostasis, and regulate immune responses.

A

glial cells

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4
Q

More than 350 different disease-causing genes have been identified, and >1000 neurologic disorders have been genetically mapped to various chromosomal locations.

A

Neurogenetics

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5
Q

Wires

A

Neurons

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6
Q

Connections

A

Synapse

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7
Q

Insulators

A

Glial cells

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8
Q

Cell bodies in ___________.

A

Gray matter

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9
Q

Axons in ___________.

A

White matter

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10
Q

Gray mater of the CNS

A

Astrocytes

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11
Q

White mater of the CNS

A

Oligodendroglia (produces myelin)

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12
Q

White mater

A

Microglia

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13
Q

Lines the walls of cavities and ventricles

A

Ependymal cells

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14
Q

ELECTRICAL ACTIVITY INSIDE THE NEURON

A

Synapse

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15
Q

SYNAPSE IS A VOID: TRANSFORMATION TO ___________.

A

CHEMICAL ENERGY

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16
Q

Overall in command of the nervous system

A

Cerebral cortex

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17
Q

Origin of all voluntary movement

A

Cerebral cortex

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18
Q

For all conscious awareness

A

Cerebral cortex

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19
Q

Frontal lobe as origin of all voluntary movement

A

Brodmann’s area 4 6 8

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20
Q

Frontal lobe for proper response to stimuli

A

Prefrontal lobe area 9 10 11 12

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21
Q

Also part of the LIMBIC LOBE

A

Prefrontal lobe

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22
Q

Brodmann’s area 9-12

A

Prefrontal lobe

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23
Q

Responsible for appropriate response to stimuli

A

Prefrontal lobe

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24
Q

Forms a motor homonculus / primary motor area

A

Area 4

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25
Supplementary motor area
Area 6 and 8
26
Brocas area for expression of speech
Area 44
27
Located posterior to the rolandic sulcus
Parietal lobe
28
Receives, collects, processes and interprets general sensory stimuli
Parietal lobe
29
Located inferior to sylvian fissure
Temporal lobe
30
Receives, collects, processes and interprets auditory stimuli
Temporal lobe
31
Hard drive of CNS which stores all memory (inferior temporal gyrus)
Temporal lobe
32
LOCATED POSTERIOR TO THE PARIETAL LOBE
Occipital lobe
33
RECEIVES, COLLECTS, PROCESSES AND INTERPRETS VISUAL STIMULI
Occipital lobe
34
SCATTERED DIFFUSLY THROUGHOUT THE BRAIN
Limbic lobe
35
Core of our emotions and responses
Limbic lobe
36
THE ____________ IS FOR SCIENTIFIC THOUGHT- PRECISE/ACCURATE.
LEFT HEMISPHERE
37
____________ IS FOR ARTISTIC THOUGHT- LOTS OF ROOM FOR VARIATION.
RIGHT HEMISPHERE
38
Gray mater of diencephalon:
Basal ganglia and thalamus
39
White mater of diencephalon
Internal capsule
40
Team leader of the Basal ganglia:
Stratum
41
Subteam 1 of the basal ganglia
Direct pathway
42
Subteam 2 of basal ganglia:
Indirect pathway
43
Spokesman of basal ganglia:
Globus pallidus
44
Acetycholine and dopamine are normally in _________.
Balance
45
Acetylcholine depletion or dopamine excess result in:
Chorea
46
Acetylcholine excess or dopamine depletion result in:
Parkinsonism
47
Cranial nerves of cerebral cortex:
I and II
48
Cranial nerves for midbrain
III, IV and V
49
Cranial nerves of Pons
5 6 7 and part of 8
50
Cranial nerves of medulla
V, part of VIII, IX, X, XI, XII
51
ALL NUCLEI AT _________ EXCEPT FOR CRANIAL NERVES I & II .
TEGMENTUM
52
__________ FOUND IN MIDBRAIN, PONS, & MEDULLA
TRIGEMINAL
53
___________ HAS A SPINAL BRANCH
SPINAL ACCESSORY
54
HELPS MAINTAIN BALANCE : REORIENTING THE HEAD & TRUNK
Cerebellum
55
MAKES MOVEMENT COORDINATED AND EXACT
Cerebellum
56
Formed by ventral and dorsal roots
Spinal roots
57
Each segment has ___ spinal roots.
2
58
Has a dermatomal representation
Spinal roots
59
Composed of three neurons
ascending tracts
60
Each neuron has a cell body and axon
Ascending tracts
61
Where one neuron ends the other begins
Ascending tracts
62
Where the upper and lower motor neurons meet
Anterior horn
63
Formed by several spinal roots
Peripheral nervous system
64
Goes into all areas of the body
Peripheral nervous system
65
Carries motor and sensory data
Peripheral nervous system
66
Carry impulses to and from the CNS
Nerve fibers
67
2 to 20 um in diameter
Type A
68
Myelinated
Type A
69
Motor and sensory
Type A
70
10-70 m/sec
Type A
71
3 um
Type B
72
Thinly myelinated
Type B
73
Preganglionic autonimic
Type B
74
Pain and temperature
Type B
75
7-5 m/sec
Type B
76
<1 um
Type C
77
Unmyelinated
Type C
78
Sensory pain and temperature
Type C
79
<2 m/sec
Type C
80
POINT OF CONNECTION WITH VENTRICLES IS THROUGH ___________ and __________.
LUSCHKA and MAGENDIE
81
Big spaces
Cisterns
82
Opening in the dura mater
Venous sinuses
83
CSF and venous drainage
Venous sinuses
84
Superior saggital and inferior saggital sinuses at __________.
Falx cerebri

2ND SEM NEUROANATOMY (14 decks)

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