Unraveling the Secrets of Serotonin
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Questions and Answers

Which role does acetylcholine play in the peripheral nervous system?

  • Acetylcholine is responsible for the initiation of REM sleep.
  • Acetylcholine allows neurons to perform high-frequency, asynchronous activity.
  • Acetylcholine is the neurotransmitter that makes muscles fire. (correct)
  • Acetylcholine is involved in the planning of movement.
  • Where are the major concentrations of acetylcholine in the central nervous system?

  • Cerebellum, thalamus, and cerebral cortex.
  • Frontal lobe, parietal lobe, and occipital lobe.
  • Dorsolateral pons, basal forebrain, and medial septum. (correct)
  • Hippocampus, amygdala, and hypothalamus.
  • What is the only approved medication for Alzheimer's disease?

  • Acetylcholine agonist
  • Nicotine
  • REM sleep inducer
  • Aricept (correct)
  • Which neurotransmitter is recognized as a highly arousing neurotransmitter and causes a boost in arousal and alertness?

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

    Which histamine receptor is responsible for boosting alertness?

    <p>H1</p> Signup and view all the answers

    What happens to histamine receptor availability when taking drowsiness-inducing antihistamines?

    <p>It decreases</p> Signup and view all the answers

    Which neurotransmitter is serotonin also known as?

    <p>5-HT</p> Signup and view all the answers

    What is the precursor to serotonin?

    <p>5-HTP</p> Signup and view all the answers

    Which receptors control a sodium (Na+) channel and are stimulated by AMPA?

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

    Which class of drugs selectively agonizes serotonin?

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

    Which neurotransmitter is agonized by selective serotonin reuptake inhibitors (SSRIs)?

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

    Which neurotransmitter is responsible for regulating mood, appetite, and sleep?

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

    Which system is targeted by ADHD medications?

    <p>Mesocortical system</p> Signup and view all the answers

    Which dopamine agonist is commonly used in the treatment of ADHD?

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

    Which neurotransmitter is produced in the locus coeruleus and is critical for survival?

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

    Which neurotransmitter is synthesized from L-DOPA?

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

    Which dopamine system plays a role in movement initiation?

    <p>Nigrostriatal system</p> Signup and view all the answers

    Where is dopamine produced in the mesolimbic system?

    <p>Ventral tegmental area</p> Signup and view all the answers

    Which dopamine system is involved in high-level cognitive processes such as attention and working memory?

    <p>Mesocortical system</p> Signup and view all the answers

    Which type of knowledge test is considered the most difficult?

    <p>Forced choice</p> Signup and view all the answers

    Which of the following statements about benzodiazepines is correct?

    <p>Benzodiazepines are direct agonists of GABA receptors.</p> Signup and view all the answers

    What happens to the balance of excitatory and inhibitory neurotransmitter levels in the brain of a benzodiazepine addict?

    <p>Inhibitory neurotransmitter levels decrease.</p> Signup and view all the answers

    Why is mixing opiates with benzodiazepines dangerous?

    <p>Mixing opiates and benzodiazepines can lead to respiratory depression.</p> Signup and view all the answers

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