Neurotransmitters and Stimulants Quiz
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Questions and Answers

What is the primary action of caffeine on neurotransmitters?

  • Antagonizes adenosine receptors (correct)
  • Stimulates endorphin release
  • Increases acetylcholine levels
  • Acts as a reuptake blocker for dopamine

    • Which of the following statements about cocaine is true?

  • It increases serotonin and norepinephrine exclusively.
  • It primarily functions as a dopamine agonist.
  • It enhances the production of dopamine in the ventral tegmental area.
  • It blocks the reuptake of serotonin, dopamine, and norepinephrine. (correct)

    • What process does amphetamine use to increase dopamine levels in the synapse?

  • Blocks VMAT and enhances neurotransmitter storage
  • Displaces dopamine from vesicles and blocks reuptake (correct)
  • Acts as a competitive antagonist at dopamine receptors
  • Inhibits serotonin release

    • How does nicotine primarily affect the brain's reward system?

    <p>Agonizes nicotinic acetylcholine receptors, releasing dopamine</p> Signup and view all the answers

    What is the main function of the vesicular monoamine transporter (VMAT)?

    <p>Packages neurotransmitters into vesicles for release</p> Signup and view all the answers

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