Neuroscience Nerve Endings Quiz
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Questions and Answers

What is the main component of motor end plates?

  • Post-synaptic membrane
  • Axon terminal (correct)
  • Synaptic cleft
  • Sole plate

    • What type of nerve endings are the branched terminations of axons?

  • Encapsulated nerve endings
  • Free nerve endings (correct)
  • Post-synaptic membrane
  • Motor end plates

    • What converts a mechanical, thermal, or chemical stimulus to an electrical potential in nerve endings?

  • Post-synaptic membrane
  • Synaptic cleft
  • Transducer cell (correct)
  • Sole plate

    • How are sensory nerve endings classified according to their structure?

    <p>According to their contact with a transducer cell (A)</p> Signup and view all the answers

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

    <p>Enveloping all axons in nerves of the PNS and producing myelin sheaths around large-diameter axons (A)</p> Signup and view all the answers

    Which type of glia cells originates from blood monocytes?

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

    What is the primary function of satellite cells located within PNS ganglia?

    <p>Enclosing each perikaryon and regulating its microenvironment (A)</p> Signup and view all the answers

    What distinguishes Oligodendrocytes from other glial cells?

    <p>Wrapping processes around portions of axons in the CNS to form myelin sheaths (D)</p> Signup and view all the answers

    Which glial cell type produces myelin sheaths around large-diameter axons in the peripheral nervous system (PNS)?

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

    Which glial cell type mediates immune defense activity within the central nervous system (CNS)?

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

    Where are satellite cells mainly located and what is their primary function?

    <p>Within PNS ganglia, enclosing each perikaryon and regulating its microenvironment (D)</p> Signup and view all the answers

    What is the main function of astrocytes within the CNS?

    <p>Covering and providing regulated microenvironments for neuronal perikarya, synapses, and capillaries (A)</p> Signup and view all the answers

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