Mastering Dopamine
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Questions and Answers

Which drug serves as an indirect antagonist for the PCP binding site of the NMDA receptor?

  • Benzodiazepine
  • Phencyclidine (correct)
  • Adenosine
  • Caffeine
  • What is the most important inhibitory neurotransmitter in the brain?

  • Benzodiazepine
  • Phencyclidine (PCP)
  • Gamma-Aminobutyric Acid (GABA) (correct)
  • Adenosine
  • Which drug category serves as an indirect agonist for the GABAA receptor?

  • Caffeine
  • Benzodiazepine (correct)
  • Adenosine
  • Phencyclidine (PCP)
  • Which of the following is NOT a factor that determines the level of drug addiction?

    <p>Rate of clearance from body (C)</p> Signup and view all the answers

    What is the primary difference between opiates and opioids?

    <p>Opiates are derived from the poppy plant while opioids are synthetic drugs (C)</p> Signup and view all the answers

    Which route of administration involves injection of a substance directly into a vein?

    <p>Intravenous (IV) Injection (A)</p> Signup and view all the answers

    Which neurotransmitter is synthesized from L-DOPA and plays a role in movement, reinforcement/reward, and short-term memory?

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

    Which drug inhibits the reuptake of dopamine?

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

    Which neurotransmitter is found in the brain and the sympathetic division of the ANS, and also serves as a hormone secreted by the adrenal medulla?

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

    Which neurotransmitter regulates mood, appetite, and sleep?

    <p>Serotonin (D)</p> Signup and view all the answers

    Which route of administration involves placing a substance beneath the tongue?

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

    What is the therapeutic index?

    <p>The ratio between the dose that produces the harmful effect in 50% of the animals and the dose that produces desirable effects in 50% of the animals. (A)</p> Signup and view all the answers

    What is tolerance?

    <p>A decrease in the effectiveness of a drug that is administered repeatedly. (D)</p> Signup and view all the answers

    What is an agonist?

    <p>A drug that facilitates the effects of a particular neurotransmitter on the postsynaptic cell. (C)</p> Signup and view all the answers

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