Function and Structure of the Nervous System
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Questions and Answers

Which part of the nervous system consists of the brain and spinal cord?

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

    • What is the main function of the nervous system?

  • Digesting food
  • Regulating body temperature
  • Producing hormones
  • Controlling and integrating body activities (correct)

    • What are the two main cell types of nervous tissue?

  • Erythrocytes and leukocytes
  • Fibroblasts and adipocytes
  • Bacteria and viruses
  • Neurons and neuroglia (correct)

    • What is the function of dendrites in a neuron?

    <p>Carry impulses to the cell body</p> Signup and view all the answers

    Which part of the nervous system controls and integrates the various activities of the body, such as circulation and respiration?

    <p>Central nervous system (CNS)</p> Signup and view all the answers

    Which type of neuron is the most common in the nervous system?

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

    What is the main function of the autonomic nervous system (ANS)?

    <p>Regulating involuntary bodily functions</p> Signup and view all the answers

    What type of neuron has two or more dendrites and a single axon with one or more collateral branches?

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

    Which cell type in nervous tissue supports the neurons?

    <p>Neuroglia (glial cells)</p> Signup and view all the answers

    What is composed of layers of lipid and protein material called myelin sheath?

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

    What is the function of neuroglia in the nervous tissue?

    <p>Support and protect the neurons</p> Signup and view all the answers

    Which part of the nervous system is responsible for reacting to continuous changes in internal and external environments?

    <p>Autonomic nervous system (ANS)</p> Signup and view all the answers

    What is the main function of the myelin sheath around some axons?

    <p>Insulate and increase the speed of impulse conduction</p> Signup and view all the answers

    Which type of neuron is found around some axons and is composed of layers of lipid and protein material called myelin sheath?

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

    Which part of the nervous system consists of the remainder of the nervous system outside of the CNS?

    <p>Peripheral nervous system (PNS)</p> Signup and view all the answers

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