Plasma Concentration-Time Profiles and Drug Effects Quiz
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Questions and Answers

Which of the following best describes the therapeutic window?

  • The concentration of drug needed to produce a toxic effect
  • The ratio between the toxic and therapeutic doses
  • The average rate of drug absorption
  • The difference between the onset time and the time for the drug to decline back to the MEC (correct)

    • What does the peak plasma level represent?

  • The time required for the drug to reach the MEC
  • The average rate of drug absorption (correct)
  • The ratio between the toxic and therapeutic doses
  • The concentration of drug needed to produce a toxic effect

    • What is the therapeutic index?

  • The concentration of drug needed to produce a toxic effect
  • The average rate of drug absorption
  • The ratio between the toxic and therapeutic doses (correct)
  • The difference between the onset time and the time for the drug to decline back to the MEC

    • What does the area under the curve represent?

    <p>The amount of drug absorbed systemically</p> Signup and view all the answers

    What does the onset time refer to?

    <p>The time required for the drug to reach the MEC</p> Signup and view all the answers

    Which of the following best describes the process of elimination for a drug?

    <p>Both excretion and biotransformation</p> Signup and view all the answers

    What does MEC stand for in the context of drug concentration?

    <p>Minimum Effective Concentration</p> Signup and view all the answers

    What is the relationship between drug absorption and elimination?

    <p>Absorption is faster than elimination</p> Signup and view all the answers

    What are the three distinct cut-off points along the y-axis representing plasma-drug concentration?

    <p>MTC, MSC, and MEC</p> Signup and view all the answers

    What happens to a drug after it is absorbed into the systemic circulation?

    <p>It gets distributed to most tissues in the body</p> Signup and view all the answers

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