Neurotransmission and Synaptic Transmission
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Questions and Answers

What is the primary function of neurotransmitters in the central nervous system?

  • To control long-term changes in the brain through affecting gene transcription
  • To regulate gene expression and control neuronal growth
  • To act as a precursor to neuromodulators
  • To produce rapid excitatory or inhibitory responses in postsynaptic neurons (correct)

    • What type of receptors are primarily associated with slow neurotransmitters and neuromodulators?

  • G-protein-coupled receptors (correct)
  • Ligand-gated ion channels
  • Tyrosine kinase-linked receptors
  • Glutamate receptors

    • What is the term for the site where one neuron releases chemicals to transmit information to another neuron or to a muscle or gland cell?

  • Synaptic cleft
  • Neurotransmitter release site
  • Chemical transmission zone
  • Synapse (correct)

    • Which of the following can act as both a neurotransmitter and a neuromodulator?

    <p>All of the above</p> Signup and view all the answers

    What type of cells are primarily responsible for releasing neurotrophic factors?

    <p>Non-neuronal cells</p> Signup and view all the answers

    Which of the following chemical mediators are produced by both glia and neurons?

    <p>All of the above</p> Signup and view all the answers

    What is the primary function of neuromodulators in the central nervous system?

    <p>To produce slower pre- or postsynaptic responses</p> Signup and view all the answers

    What type of receptors are associated with fast neurotransmitters such as glutamate?

    <p>Ligand-gated ion channels</p> Signup and view all the answers

    Which of the following chemical mediators control long-term changes in the brain through affecting gene transcription?

    <p>All of the above</p> Signup and view all the answers

    What is the primary function of neurotrophic factors in the central nervous system?

    <p>To regulate gene expression and control neuronal growth and phenotypic characteristics</p> Signup and view all the answers

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