CHAPTER 11: NERVOUS SYSTEM (q and a) 1.0

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Questions and Answers

Consists of brain and spinal cord?

  • Central nervous system (CNS) (correct)
  • Peripheral nervous system (PNS)
  • Autonomic nervous system
  • Somatic motor nervous system

Consists all nervous tissues outside the CNS (nerves, ganglia, and sensory receptors)? Consist of nervous tissue outside the CNS? A messenger and delivers CNS decisions?

  • Autonomic nervous system
  • Central nervous system (CNS)
  • Somatic motor nervous system
  • Peripheral nervous system (PNS) (correct)

Cranial nerves have 21 pairs.

False (B)

Spinal nerves have 13 pairs.

<p>False (B)</p> Signup and view all the answers

What are the 2 major control system?

<p>Nervous system and Endocrine system</p> Signup and view all the answers

Carries information to the CNS.

<p>Sensory neurons</p> Signup and view all the answers

Carries information to the body from the CNS

<p>Motor neurons</p> Signup and view all the answers

Processes information in the CNS

<p>Interneurons</p> Signup and view all the answers

Many dendrites, 1 axon

<p>Multipolar neuron</p> Signup and view all the answers

1 dendrite, 1 axon

<p>Bipolar neuron</p> Signup and view all the answers

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Study Notes

Central Nervous System (CNS)

  • Consists of the brain and spinal cord

Peripheral Nervous System (PNS)

  • Consists of all nervous tissues outside the CNS, including nerves, ganglia, and sensory receptors
  • Consists of nervous tissue outside the CNS
  • Acts as a messenger, delivering CNS decisions to the rest of the body

Nerve Pairs

  • Cranial nerves have 21 pairs
  • Spinal nerves have 13 pairs

Control Systems

  • Two major control systems: sensory and motor

Nerve Function

  • Carries information to the CNS (sensory function)
  • Carries information to the body from the CNS (motor function)
  • Processes information within the CNS (integration function)

Neuron Structure

  • Typical neuron structure: many dendrites, 1 axon
  • Another type of neuron structure: 1 dendrite, 1 axon

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