Routes of Drug Administration Lecture Quiz
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Questions and Answers

What is a route of administration?

  • The action of a drug on the body
  • The quantity of drug required for administration
  • The path by which a drug is brought into contact with the body (correct)
  • The process of manufacturing pharmaceutical drugs

    • What determines the choice of route of administration?

  • The price of the drug
  • Ease of administration, site of action, onset of action (correct)
  • The expiration date of the drug
  • The color and shape of the drug

    • What is the first-pass effect?

  • The initial reaction of the body to a new drug
  • The quantity of drug needed for treatment
  • Extent to which a drug is metabolized by the liver before reaching systemic circulation (correct)
  • The duration of action of a drug

    • How does liver metabolism affect drug bioavailability?

    <p>The greater the first pass effect, the lower the bioavailability of the drug</p> Signup and view all the answers

    What does liver metabolism do to active drugs?

    <p>Breaks down active drugs to inactive metabolites for elimination</p> Signup and view all the answers

    Which factor does NOT influence the choice of route of administration?

    <p>Color of the drug</p> Signup and view all the answers

    What is the first-pass effect?

    <p>The extent to which a drug is metabolized by the liver before reaching systemic circulation</p> Signup and view all the answers

    What role does liver metabolism play in drug bioavailability?

    <p>It decreases drug bioavailability by breaking down active drugs into inactive metabolites</p> Signup and view all the answers

    How does the first-pass effect affect the bioavailability of a drug?

    <p>It decreases bioavailability by metabolizing drugs before systemic circulation</p> Signup and view all the answers

    What is the purpose of administering drugs through different routes?

    <p>To avoid liver metabolism and enhance bioavailability</p> Signup and view all the answers

    Which factor has the greatest influence on the choice of route of drug administration?

    <p>Metabolism by the liver</p> Signup and view all the answers

    What is the primary purpose of administering drugs through different routes?

    <p>To achieve optimal drug bioavailability</p> Signup and view all the answers

    How does liver metabolism affect the bioavailability of a drug?

    <p>It reduces the bioavailability by breaking down active drugs into inactive metabolites</p> Signup and view all the answers

    What is the first-pass effect in drug administration?

    <p>The percentage of a drug metabolized by the liver before reaching systemic circulation</p> Signup and view all the answers

    What role does first-pass effect play in determining the bioavailability of a drug?

    <p>It decreases the bioavailability by metabolizing a portion of the active drug</p> Signup and view all the answers

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