Nervous system Flashcards

(16 cards)

1
Q

The CNS receives and integrates

A

information from all parts of the body and coordinates all actions and operations in the body

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2
Q

The CNS consists of

A

brain and spinal cord

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3
Q

PNS connects the CNS to

A

the limbs and organs and serves as the communication pathway between the two

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4
Q

PNS consists of

A

nerves and ganglia that are not in the brain or spinal cord

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5
Q

ANS is part of the

A

PNS

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6
Q

ANS is known as

A

the involuntary nervous system

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7
Q

ANS controls

A

heart rate
digestion
respiratory rate
salvation
and more

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8
Q

What are the extensions of the ANS

A

SNS
PSNS
ENS

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9
Q

SNS is responsible for

A

the fight or flight response, but also is active in maintaining homeostasis

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10
Q

SNS uses

A

norepinephrine and epinephrine

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11
Q

PSNS is responsible for

A

internal organs and glands, and other activities that would normally take place in a restful situation (digestion, defecation, ect)

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12
Q

PSNS is often referred to as

A

rest and digest

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13
Q

PSNS uses

A

AcH

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14
Q

ENS is responsible for

A

functions of the GI system

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15
Q

ENS is often referred to as the second brain because

A

it can essentially function on its own, even when the vagus nerve is servered

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16
Q

Where does the ENS usually communicate