Chapter 25: General Anesthetics
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a characteristic of inhalational agents' dose-response curves?

  • Flat curves and narrow therapeutic indices
  • Flat curves and wide therapeutic indices
  • Steep curves and wide therapeutic indices
  • Steep curves and narrow therapeutic indices (correct)
  • How can depth of anesthesia be rapidly altered with inhaled gases?

  • By administering IV anesthetics
  • By using IV sedatives
  • By altering the inhaled concentration (correct)
  • By changing the IV agent
  • How do IV anesthetics cause rapid induction?

  • By traveling from arm to brain quickly (correct)
  • By affecting skeletal muscle primarily
  • By redistributing from the CNS
  • By diffusing mainly into vessel-rich tissues
  • What is the mechanism of recovery from IV anesthetics?

    <p>Redistribution within the CNS</p> Signup and view all the answers

    What is the role of IV anesthetics during longer procedures?

    <p>To maintain anesthesia with inhaled agents</p> Signup and view all the answers

    In lower doses, IV anesthetics may be used for:

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

    Which neurotransmitter is primarily affected by inhaled anesthetics, barbiturates, benzodiazepines, etomidate, and propofol?

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

    How do inhaled anesthetics primarily diminish CNS activity?

    <p>By hyperpolarizing neurons</p> Signup and view all the answers

    Which receptors are primarily affected by nitrous oxide and ketamine?

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

    What is the key difference between volatile and gaseous anesthetics in terms of physical state?

    <p>Gaseous anesthetics are in gas form at room temperature.</p> Signup and view all the answers

    What effect do inhalation anesthetics have on glycine receptors in spinal motor neurons?

    <p>Increase activity</p> Signup and view all the answers

    Which type of general anesthetic does not act on GABAA receptors?

    <p>Nitrous oxide</p> Signup and view all the answers

    What are the five primary effects characterized by the neurophysiologic state produced by general anesthetics?

    <p>Unconsciousness, amnesia, analgesia, inhibition of autonomic reflexes, muscle relaxation</p> Signup and view all the answers

    Which route is commonly used to administer general anesthetics?

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

    What is the main goal of an ideal anesthetic drug?

    <p>Induce rapid loss of consciousness and be reversible upon discontinuation</p> Signup and view all the answers

    What are the three stages of general anesthesia?

    <p>Induction, maintenance, recovery</p> Signup and view all the answers

    Which type of anesthesia involves unconsciousness, analgesia, amnesia, skeletal muscle relaxation, and loss of reflexes?

    <p>General anesthesia</p> Signup and view all the answers

    Why is it challenging for a single anesthetic agent to achieve all five desired effects of general anesthesia well?

    <p>Anesthetic agents have limitations in targeting specific receptors</p> Signup and view all the answers

    More Like This

    Anesthesique
    31 questions

    Anesthesique

    SereneCerberus avatar
    SereneCerberus
    General Actions of Inhaled Anesthetics
    18 questions
    Pharmacology 4: General Anesthetics
    30 questions
    Use Quizgecko on...
    Browser
    Browser