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SCI Q3 > Nervous system > Flashcards

Nervous system Flashcards

1
Q

receives, interprets, processes and sends information

A

nervous sytem

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2
Q

main organ of the nervous system

A

brain

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3
Q

control center of the body

A

brain

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4
Q

gives command to other organs

A

brain

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5
Q

receives information from the environment and sends information to muscle, glands, and organs

A

brain

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6
Q

processes info to determine the best response

A

brain

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7
Q

structural and functional unit of nervous system

A

neuron

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8
Q

the pathway to receive information

A

neuron

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9
Q

neuron consists of:

A

dendrite, axon, cell body

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10
Q

receives info from other neurons towards the cell body

A

dendrite

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11
Q

contains the nucleus or the control center of the cell

A

cell body

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12
Q

it processes the info it gets from dendrite

A

cell body

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13
Q

carries message away from the cell body

A

axon

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14
Q

happens when dendrite and axon comes in contact

A

electric shocks

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15
Q

they exist as electrical impulses

A

nerve impulse

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16
Q

space between a dendrite and axon

A

synapse

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17
Q

protect and
insulate these axons and
enhance their transmission of
electrical impulses.

A

myelin sheath

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18
Q

to pass message to the other dendrite of other neuron

A

axon terminal

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19
Q

attached to sense organs

A

afferent or sensory neuron

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20
Q

The nerve cells that are activated by sensory input from the environment.

A

Sensory Neurons (Afferent)

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21
Q

It connects sensory and motor neurons.

A

Interneurons

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22
Q

the info from sensory will pass through here and to the brain

A

intermeuron

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23
Q

the _____ processes the info from intermeuron and sent to the motor neuron

A

intermeuron

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24
Q

Neurons that carry impulse from the brain or spinal cord to the target
muscles.

A

Motor neurons (Efferent)

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25
Q

sensory neurons are also called

A

afferent neurons

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26
Q

motor neurons are also called

A

efferent neuron

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27
Q

CNS meaning

A

central nervous system

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28
Q

CNS consists of:

A

brain and spinal cord

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29
Q

peripheral nervous system consists of:

A

nerve cells

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30
Q

movements that can be controlled

A

somatic n.s. (n.s. = nervous system)

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31
Q

involuntary movements

A

automatic n.s.

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32
Q

2 types of automatic nervous system

A

sympathetic
parasympathetic

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33
Q

known as the rest and digest state

A

parasymphathetic

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34
Q

n.s. for the flight response

A

sympathetic

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35
Q

n.s for rest and digest state

A

parasympathetic

36
Q

3 parts of brain

A

forebrain
midbrain
hindbrain

37
Q

Encased by the bone of the head
called _______

A

skull

38
Q

The largest part of the brain

A

forebrain

39
Q

it consists of telencephalon ( cerebrum), diencephalon (thamalus and hypothalamus

A

forebrain

40
Q

it surrounds the brain to protect it from shock

A

cerebrospinal fluid

41
Q

forebrain is divided into:

A

left and right hemisphere

42
Q

right hemisphere controls:

A

left side of the body

43
Q

left hemisphere controls:

A

right side of the body

44
Q

Folds of the brain

A

Gyri

45
Q

The
grooves/depression of
the brain

A

Sulci

46
Q

when we learn:

A

we add wrinkles to our brain

47
Q

4 lobes of cerebrum

A

frontal lobe
parietal lobe
occipital lobe
temporal lobe

48
Q

lobe for
Problem Solving
Movement
Speaking
Personality
Abstract Reasoning
intelligence
emotion

A

frontal lobe

49
Q

Responsible for
integrating sensory
information, including
touch, temperature,
pressure and pain.

A

parietal lobe

50
Q

Contains the primary
auditory cortex

A

Temporal Lobe

51
Q

responsible for hearing and memory

A

temporal lobe

52
Q

The major visual
processing center in the
brain.

A

occipital lobe

53
Q

left hemisphere is for

A

logical, problem solving

54
Q

right brain is for

A

artistic, creativity

55
Q

Thalamus and
hypothalamus is collectively known as

A

diencephalon

56
Q

Primary relay center of the cell

A

Thalamus

57
Q

Primary relay center of the cell
(where info is temporarily stored)

A

Thalamus

58
Q

Important role in maintaining homeostasis
and Hormone production

A

Hypothalamus

59
Q

homeostasis means

A

balance

60
Q

midbrain is also known as

A

Mesencephalon)

61
Q

part of brain that is responsible for visual and hearing

A

midbrain

62
Q

stimuli means

A

change

63
Q

reflex means

A

response in a given change

64
Q

Composed of the brain stem and
cerebellum

A

Hindbrain

65
Q

contains Pons
Cerebellum

A

hindbrain

66
Q

Functions:

Cardiac Center
Respiratory Center
Vasomotor Center
Reflex Center

A

MEDULLA
OBLONGATA

67
Q

Connects cerebellum
from the rest of the
brain

A

PONS

68
Q

bridge between hemispheres

A

corpus callosum

69
Q

responsible for sleeping, respiration, bladder control

A

pons

70
Q

known as little brain

A

cerebelum

71
Q

responsible for balance, coordination, movement

A

little brain (cerebelum)

72
Q

covered by spinal column

A

spinal cord

73
Q

connect peripheral n.s. to our brain

A

spinal cord

74
Q

neck and upper extremities

A

cervical

75
Q

chest area,heart,lungs

A

thoracic

76
Q

lower back (lumbar region),hips muscle of lower extremities

A

lumbar

77
Q

for bowel movement and penis erection

A

sacral

78
Q

coccygeal

A

to determine identity

79
Q

total number of nerves

A

43 total nerves

80
Q

total number of spinal nerves

A

31 spinal nerves

81
Q

total number of cranial nerves

A

12 cranial nerves

82
Q

total number of cervical

A

8

83
Q

total number of thoracic

A

12

84
Q

total number of lumbar

A

5

85
Q

total number of sacral

A

5

86
Q

total number of coccygeal

A

1

SCI Q3 (5 decks)

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