Psychopharm Quiz #1: Neurotransmitters and Synaptic Signaling
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Questions and Answers

What is the function of neurons in the CNS?

  • To regulate body temperature
  • To receive, process, and transmit information to other cells in the body (correct)
  • To produce hormones for the body
  • To store long-term memories
  • What defines the space into which neurotransmitters are released?

  • The axon
  • The cell body
  • The synapse (correct)
  • The dendrites
  • What is required for synaptic signaling to occur?

  • Neurotransmitters released from glial cells
  • Neurotransmitters released from neurons (correct)
  • Chemical signals released from muscles
  • Hormones released from endocrine glands
  • Which part of the neuron is responsible for synthesizing most cell-specific proteins?

    <p>Cell body (soma)</p> Signup and view all the answers

    How do neurons communicate and exchange information?

    <p>Through a combination of electrical and chemical signals</p> Signup and view all the answers

    Which neurotransmitter is recognized as primary excitatory?

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

    Which neurotransmitters are considered primary inhibitory neurotransmitters?

    <p>Serotonin and GABA</p> Signup and view all the answers

    Which neurotransmitter is most implicated in the etiology of ADHD and in response to treatment?

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

    Which major type of neuron receptor do most psychotropic medications act on?

    <p>Metabotropic receptors</p> Signup and view all the answers

    What is the primary function of the Limbic system?

    <p>Linking visceral states and emotion to cognition and behavior</p> Signup and view all the answers

    Regarding cytochrome P450, which statement is true?

    <p>The CYP system in the gut wall or liver converts the drug into a biotransformed product in the bloodstream.</p> Signup and view all the answers

    Which cytochrome P450 family of enzymes is most involved in hepatic metabolism of many psychotropic drugs?

    <p>CYP3A</p> Signup and view all the answers

    What best describes a ligand?

    <p>A small molecule that binds to a particular receptor site</p> Signup and view all the answers

    What best describes a ligand-gated ion channel?

    <p>Ion channels linked to receptors that regulate their opening or closing</p> Signup and view all the answers

    Which of the following is not part of pharmacokinetics?

    <p>&quot;Drug dispensing&quot;</p> Signup and view all the answers

    What is the Substance P neuropeptide responsible for?

    <p>Mediating pain perception</p> Signup and view all the answers

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