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Intro to Neuro - Test 1 > Nervous System - Division > Flashcards

Nervous System - Division Flashcards

1
Q

How is the nervous system divided

A

CNS

PNS

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2
Q

what does the CNS contain

A

brain and spinal cord

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3
Q

what does the CNS have for protection

A

cranium for the brain

vertebral column for the spinal cord

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4
Q

afferent info

A

incoming sensory information

PNS to CNS

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5
Q

efferent information

A

outgoing motor information

CNS to PNS

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6
Q

when info comes from the inside it is

A

upper motor neuron

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7
Q

when info comes from the outside

A

lower motor neuron

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8
Q

what does the PNS contant

A

nerves

ganglia outside CNS

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9
Q

how is the PNS divided by fxn

A

somatic nervous system

autonomic nervous system

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10
Q

somatic nervous system

A

under conscious control

innervates skeletal muscle

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11
Q

what does the ANS innervate

A

cardiac muscle

smooth muscle

glands

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12
Q

what control is the ANS under

A

involuntary

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13
Q

what are the 3 parts of the ANS

A

sympathetic

parasympathetic

enteric

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14
Q

sympathetic –> ANS

A

fight or flight

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15
Q

parasympathetic –> ANS

A

vegetative activities

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16
Q

enteric –> ANS

A

regulates to processes of digestion

17
Q

what does the interplay of the 3 parts of the ANS allow

A

nervous system to remain balance (homeostasis)

mental processing

regulation of other systems

control of muscles and glands

18
Q

functional components of nervous system

A

sensory

motor

19
Q

what does the sensory component do with info

A

collects it and then carries it/transmits it to CNS

20
Q

the sensory component is

A

afferent

21
Q

what happens when the info gets to the CNS from the sensory component

A

takes the info and decides what to do with it

whether or not to use it

what to do as a response

22
Q

what does the motor component do

A

delivers the results of the analysis of afferent info away from the CNS to muscles and glands

23
Q

motor component is

A

efferent

24
Q

afferent division of the PNS

A

transmits action potentials to the CNS

25
Q

efferent division of the PNS

A

carries action potentials away from CNS

26
Q

3 step process of nervous system

A

sensory

integrative

motor

27
Q

sensory process

A

NS senses certain changes (stimuli) both w/in your body and outside your body

28
Q

integrative process

A

analyzes sensory info, stores some aspects and makes decisions regarding appropriate behaviors

29
Q

motor process

A

NS may respond to stimuli by initiating muscular contractions or glandular secretions

initiates a response

Intro to Neuro - Test 1 (22 decks)

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