Orexin Receptor Antagonists and Peptides in Hypothalamic Neurons Quiz
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Questions and Answers

Which part of the brain contains specific neurons that produce Orexin A and B peptides?

  • Thalamus
  • Hypothalamus (correct)
  • Hippocampus
  • Amygdala

    • What is the role of Orexin receptor antagonists like Suvorexant and Almorexant?

  • Regulate appetite
  • Induce sleep
  • Promote wakefulness (correct)
  • Enhance memory retention

    • What is the primary function of Orexin A and B peptides?

  • Wakefulness control (correct)
  • Appetite suppression
  • Memory consolidation
  • Stress regulation

    • What is the relationship between Orexin and anxiety regulation?

    <p>Orexin indirectly impacts anxiety through sleep regulation</p> Signup and view all the answers

    Which of the following is a possible effect of Orexin receptor antagonists like Suvorexant?

    <p>Reduced appetite</p> Signup and view all the answers

    What is a disorder characterized by day-time sleepiness and cataplexy?

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

    Which type of neurons are associated with narcolepsy?

    <p>Orexin neurons</p> Signup and view all the answers

    Which class of drugs are used to treat anxiety disorders?

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

    What type of drugs act as orexin receptor antagonists?

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

    What is the mechanism of action of Orexin receptor antagonists like Suvorexant and Almorexant?

    <p>Having GABA mimetic and facilitatory actions</p> Signup and view all the answers

    Which neurotransmitter system do orexin neurons primarily interact with?

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

    Which condition is Barbiturates like Phenobarbitone commonly used to treat?

    <p>Grand mal epilepsy</p> Signup and view all the answers

    What is a common adverse effect associated with Barbiturates?

    <p>Respiratory depression</p> Signup and view all the answers

    Which receptor do Orexin receptor antagonists act on?

    <p>Orexin receptor</p> Signup and view all the answers

    In what context are Barbiturates like Thiopentone primarily used?

    <p>Induction of anesthesia</p> Signup and view all the answers

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