Understanding the Nervous System
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Questions and Answers

What is the basic unit of the nervous system?

  • Neurons (correct)
  • Neuroglia
  • Axons
  • Dendrites

    • What type of stimuli may provoke neuron activity?

  • Sensory stimuli
  • Emotional stimuli
  • Chemical stimuli (correct)
  • Visual stimuli

    • What do dendrites do in a neuron?

  • Extend from the central cell body
  • Receive impulses from other cells (correct)
  • Transmit nerve impulses
  • Conduct impulses away from the cell body

    • What are axons responsible for in a neuron?

    <p>Conducting nerve impulses away from cell bodies</p> Signup and view all the answers

    Which type of cells are the conducting cells of the nervous system?

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

    Neurons receive and transmit electrochemical nerve impulses through threadlike nerve fibers called dendrites.

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

    The nervous system coordinates all body functions, enabling a person to adapt to changes in external environments only.

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

    Neuroglia are the conducting cells of the nervous system.

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

    Neuron activity may only be provoked by chemical stimuli.

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

    What are the two main types of cells in the nervous system?

    <p>Neurons and Neuroglia</p> Signup and view all the answers

    Axons conduct nerve impulses toward the cell body.

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

    What is the function of dendrites in a neuron?

    <p>Dendrites receive impulses from other cells and conduct them toward the cell body.</p> Signup and view all the answers

    What stimuli may provoke neuron activity?

    <p>Mechanical stimuli, thermal stimuli, and chemical stimuli</p> Signup and view all the answers

    How does the nervous system enable a person to adapt to changes in the internal and external environments?

    <p>By coordinating all body functions</p> Signup and view all the answers

    What is the basic unit of the nervous system?

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

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