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Questions and Answers
What is opium?
What is opium?
- A drug that affects mood or behavior and is consumed for non-medical purposes.
- A mixture of alkaloids related to morphine.
- A naturally occurring opioid derived from opium.
- An extract of the juice of the poppy Papaver somniferum. (correct)
What is an opioid?
What is an opioid?
- A naturally occurring opioid derived from opium.
- A naturally occurring, semi-synthetic, or synthetic compound. (correct)
- A drug that affects mood or behavior and is consumed for non-medical purposes.
- An extract of the juice of the poppy Papaver somniferum.
What is an opiate?
What is an opiate?
- A mixture of alkaloids related to morphine.
- Any naturally occurring opioid derived from opium (e.g. morphine). (correct)
- A drug that affects mood or behavior and is consumed for non-medical purposes.
- An extract of the juice of the poppy Papaver somniferum.
What is the mechanism of action of opioids?
What is the mechanism of action of opioids?
How many major types of opioid receptors have been identified?
How many major types of opioid receptors have been identified?
Which part of the central nervous system has high concentrations of opioid receptors?
Which part of the central nervous system has high concentrations of opioid receptors?
Where are peripheral opioid receptors found?
Where are peripheral opioid receptors found?
Which opioid receptor is responsible for central interpretation of pain?
Which opioid receptor is responsible for central interpretation of pain?
Which opioid receptor is responsible for respiratory depression and physical dependence?
Which opioid receptor is responsible for respiratory depression and physical dependence?
Which opioid receptor is associated with analgesia, dysphoria, delusions, and hallucinations?
Which opioid receptor is associated with analgesia, dysphoria, delusions, and hallucinations?
Which opioid receptor is not considered as an opiate receptor?
Which opioid receptor is not considered as an opiate receptor?
Which opioid receptor is responsible for central excitation and can cause tachycardia, hypertension, and hallucinations?
Which opioid receptor is responsible for central excitation and can cause tachycardia, hypertension, and hallucinations?
Which endogenous opioid peptides activate μ, κ, and δ-receptors?
Which endogenous opioid peptides activate μ, κ, and δ-receptors?
Which endogenous opioid peptides are widely distributed throughout the central nervous system (CNS)?
Which endogenous opioid peptides are widely distributed throughout the central nervous system (CNS)?
What is the main function of endogenous opioid peptides in the CNS?
What is the main function of endogenous opioid peptides in the CNS?
True or false: Traditional classification of opioids is based on their origin?
True or false: Traditional classification of opioids is based on their origin?
True or false: Pure agonists have both affinity and efficacy for binding to opioid receptors?
True or false: Pure agonists have both affinity and efficacy for binding to opioid receptors?
True or false: Partial agonists have a high intrinsic activity (efficacy) at opioid receptors?
True or false: Partial agonists have a high intrinsic activity (efficacy) at opioid receptors?
True or false: Mixed agonist-antagonists produce an agonist effect at one receptor and an antagonist effect at another?
True or false: Mixed agonist-antagonists produce an agonist effect at one receptor and an antagonist effect at another?
True or false: Pure antagonists have affinity for binding but no efficacy, and they block the action of both endogenous and exogenous ligands?
True or false: Pure antagonists have affinity for binding but no efficacy, and they block the action of both endogenous and exogenous ligands?
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