Drug Tolerance and Addiction Quiz
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Questions and Answers

What is acquired tolerance?

  • A temporary sensitivity to a drug after repeated administration
  • A permanent sensitivity to a drug after a single administration
  • A decrease in drug metabolism after repeated administration
  • An acquired resistance to the usual dose of a drug, requiring more drugs to produce the same effect (correct)
  • What causes acquired tolerance?

  • Reduced metabolism of the drug and increased sensitivity and number of receptors
  • Increased metabolism of the drug or decreased sensitivity and number of receptors (correct)
  • Only decreased sensitivity and number of receptors
  • Only increased metabolism of the drug
  • What is tachyphylaxis?

  • A type of drug allergy
  • A type of bacterial resistance
  • An acute form of acquired tolerance occurring within few minutes (correct)
  • A chronic form of acquired tolerance occurring over weeks
  • How does tachyphylaxis occur?

    <p>Due to a transient saturation of the cell receptors with the drug</p> Signup and view all the answers

    What is cross tolerance?

    <p>Tolerance to a drug may extend to related drugs</p> Signup and view all the answers

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