Postsynaptic Receptors and Drug Interactions
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Questions and Answers

Which type of drug effect occurs when a drug competes with the neurotransmitter for the same binding site?

  • Direct effect (correct)
  • Indirect effect
  • Partial effect
  • Full effect

    • What does the concept of affinity refer to?

  • The complexity of postsynaptic receptors
  • The interaction between drugs and neurotransmitters
  • The strength with which a chemical binds to a specific receptor site (correct)
  • The number of binding sites on postsynaptic receptors

    • Which mechanism involves drugs stimulating or blocking postsynaptic receptors without the need for neurotransmitters?

  • Mechanism seven (correct)
  • Mechanism six
  • Mechanism two
  • Mechanism one

    • Which medication has a high affinity for opioid receptors and can effectively block the effects of opioids like heroin or fentanyl?

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

    What can the abrupt blockage of opioid receptors by medications like naloxone or narcan cause in patients?

    <p>Immediate withdrawal symptoms</p> Signup and view all the answers

    Which mechanisms involve drugs either stimulating or blocking postsynaptic receptors?

    <p>Mechanism six</p> Signup and view all the answers

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