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Questions and Answers
What is the primary mechanism of action of narcotic analgesics like morphine?
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?
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?
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?
What is the primary indication for intrathecal, epidural, oral or IV infusion of morphine?
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What are the potential adverse effects of activating kappa receptors?
What are the potential adverse effects of activating kappa receptors?
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What is the primary route of elimination for morphine?
What is the primary route of elimination for morphine?
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Which route of administration is most commonly used for morphine?
Which route of administration is most commonly used for morphine?
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What are some signs of morphine toxicity?
What are some signs of morphine toxicity?
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