Anatomy of the Nervous System: Functions and Classification
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Questions and Answers

What is the function of the sensory input in the nervous system?

  • A response to integrated stimuli
  • To process and interpret sensory input
  • To gather information (correct)
  • To monitor changes occurring inside and outside the body

    • Which part of the nervous system controls smooth and cardiac muscles?

  • Motor (efferent) division
  • Sympathetic nervous system
  • Somatic nervous system
  • Autonomic nervous system (correct)

    • What is the function of the motor output in the nervous system?

  • A response to integrated stimuli (correct)
  • To process and interpret sensory input
  • To monitor changes occurring inside and outside the body
  • A response to integrated stimuli (correct)

    • Which division of the motor (efferent) division controls skeletal muscles?

    <p>Somatic nervous system (D)</p> Signup and view all the answers

    Which classification of the peripheral nervous system is concerned with nerve fibers carrying impulses away from the central nervous system?

    <p>Motor (efferent) division (A)</p> Signup and view all the answers

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

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

    What is the function of astrocytes in the central nervous system (CNS)?

    <p>Anchoring neurons to nearby blood capillaries (B)</p> Signup and view all the answers

    Which type of cell monitors the health of neurons and can change into macrophages if infection occurs?

    <p>Microglia (C)</p> Signup and view all the answers

    What is the main function of ependymal cells in the central nervous system (CNS)?

    <p>Forming a barrier between the neurons and the rest of the body (D)</p> Signup and view all the answers

    What do oligodendrocytes do in the central nervous system (CNS)?

    <p>Wrap themselves around axons and form the myelin sheath (D)</p> Signup and view all the answers

    What is the function of satellite cells in the peripheral nervous system (PNS)?

    <p>Surrounding neuron cell bodies in the periphery (B)</p> Signup and view all the answers

    What is the role of Schwann cells (neurolemmocytes) in the peripheral nervous system (PNS)?

    <p>Producing myelin sheath around nerve fibers (C)</p> Signup and view all the answers

    Which region of a neuron conducts impulses toward the cell body?

    <p>Dendrites (D)</p> Signup and view all the answers

    What covers most long nerve fibers and acts as an insulating membrane?

    <p>Myelin sheath (D)</p> Signup and view all the answers

    'Neurons' are specialized cells that are primarily responsible for:

    <p>Transmitting messages (C)</p> Signup and view all the answers

    'Neuroglia' cells are primarily responsible for:

    <p><strong>Supporting</strong> neurons in various ways (D)</p> Signup and view all the answers

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