Pain Medications and Mu Receptors
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Pain Medications and Mu Receptors

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Questions and Answers

What is the primary mechanism of action of narcotic analgesics like morphine?

  • They attach to specific receptors in the CNS resulting in analgesia (correct)
  • They decrease cell membrane permeability to potassium transmission of pain impulses
  • They inhibit the release of neurotransmitters involved in pain perception
  • They increase cell membrane permeability to sodium transmission of pain impulses

    • Which opioid receptor is associated with analgesic effects but is generally considered to be less potent than mu receptors?

  • Kappa (κ) Receptors
  • Mu (μ) Receptors
  • Delta (δ) Receptors (correct)
  • All of the above

    • Which type of opioids are entirely synthesized in the laboratory and do not occur naturally?

  • Synthetic Opioids (correct)
  • Natural Opium Alkaloids
  • Opioid Antagonists
  • Semi-Synthetic Opioids

    • What is the primary indication for intrathecal, epidural, oral or IV infusion of morphine?

    <p>To manage acute or chronic pain</p> Signup and view all the answers

    What are the potential adverse effects of activating kappa receptors?

    <p>Dysphoria and diuresis</p> Signup and view all the answers

    What is the primary route of elimination for morphine?

    <p>Through the kidneys</p> Signup and view all the answers

    Which route of administration is most commonly used for morphine?

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

    What are some signs of morphine toxicity?

    <p>Pinpoint pupils</p> Signup and view all the answers

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