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[04] Nervous System > [02] Nervous System Divisions > Flashcards

[02] Nervous System Divisions Flashcards

1
Q

How many main divisions does the nervous system have?

A

Two

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2
Q

What are the main divisions of the nervous system?

A
  • Central nervous system (CNS)
  • Peripheral nervous system (PNS)
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3
Q

What composes the central nervous system (CNS)?

A
  • Brain
  • Spinal cord
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4
Q

What is the role of the central nervous system (CNS)?

A

It processes and coordinates sensory data from inside and outside the body

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5
Q

What composes the peripheral nervous system (PNS)?

A
  • Nerves (sensory and motor neurons) outside the brain and spinal cord
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6
Q

What is the role of the peripheral nervous system (PNS)?

A

It connects the CNS to the rest of the body, carrying sensory and motor information

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7
Q

What are the two divisions of the peripheral nervous system (PNS)?

A
  • Somatic nervous system
  • Autonomic nervous system
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8
Q

What is the function of the somatic nervous system?

A

It controls voluntary muscle movements and conveys sensory information to the CNS

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9
Q

What is the function of the autonomic nervous system?

A

It controls involuntary bodily functions like heart rate, digestion, and respiratory rate

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10
Q

What are the two subdivisions of the autonomic nervous system?

A
  • Sympathetic nervous system
  • Parasympathetic nervous system
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11
Q

What is the function of the sympathetic nervous system?

A

It prepares the body for intense physical activity (fight or flight response)

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12
Q

What is the function of the parasympathetic nervous system?

A

It relaxes the body and inhibits or slows many high energy functions (rest and digest response)

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13
Q

What is CNS?

A

Central Nervous System

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14
Q

What is PNS?

A

Peripheral Nervous System

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15
Q

What is the function of the enteric nervous system?

A

It manages every aspect of digestion

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16
Q

Where is the enteric nervous system located?

A

It’s embedded in the lining of the gastrointestinal system

17
Q

Is the enteric nervous system part of the CNS or PNS?

A

It’s generally considered a part of the PNS, but operates independently of both CNS and PNS

18
Q

What happens when the CNS and PNS fail to function properly?

A

It can result in neurologic disorders, such as Alzheimer’s disease, Parkinson’s disease, or Multiple Sclerosis

19
Q

What is the process of communication in the nervous system?

A

Information is passed along the neurons in the form of electrical signals and between neurons in the form of chemical signals

[04] Nervous System (10 decks)

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