Nervous System Communication Overview
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Questions and Answers

What is the function of astrocytes in the nervous system?

  • Regulate the concentration of ions in the intracellular space
  • Release neurotransmitters to communicate with other cells
  • Generate electrical impulses for communication
  • Provide physical and metabolic support to neurons (correct)

Where are neurotransmitters released from to communicate with other cells?

  • Dendrites
  • Cell body (Soma)
  • Axon terminals (correct)
  • Synapse

What part of the neuron transmits signals away from the cell body?

  • Axon (correct)
  • Axon terminals
  • Dendrites
  • Cell body (Soma)

What is the main function of receptor cells in the nervous system?

<p>Receive neurotransmitters on the surface of target cells and initiate a response (C)</p> Signup and view all the answers

What type of signal transmission occurs within neurons?

<p>Electrical signals (action potentials) (C)</p> Signup and view all the answers

What is the junction between two neurons or between a neuron and a target cell called?

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

What is the function of oligodendrocytes in the CNS and Schwann Cells in the PNS?

<p>Produce myelin to insulate axons (D)</p> Signup and view all the answers

What is the function of ependymal cells?

<p>Produce cerebrospinal fluid for buoyancy and protection (A)</p> Signup and view all the answers

What is the function of microglia?

<p>Act as immune cells of the CNS and remove debris through phagocytosis (C)</p> Signup and view all the answers

What is the function of satellite cells in the PNS?

<p>Surround neurons in peripheral ganglia, providing structural support and regulating nutrient exchange (A)</p> Signup and view all the answers

What is the function of radial glia during embryonic development?

<p>Serve as guides for migrating neurons during embryonic development (A)</p> Signup and view all the answers

Which glial cell provides metabolic support to neurons?

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

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