Pharmacokinetics Quiz
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Questions and Answers

Which route of drug administration provides rapid delivery of drug across the large surface area of mucous membranes of the respiratory tract and pulmonary epithelium?

  • Oral inhalation and nasal preparation (correct)
  • Intrathecal and intraventricular
  • Sublingual and buccal
  • IV, IM, SC, ID

    • What does pharmacokinetics refer to?

  • The study of drug movement throughout the body (correct)
  • The study of drug metabolism in the liver
  • The study of drug absorption in the gastrointestinal tract
  • The study of drug effects on the central nervous system

    • Why is it necessary to introduce drugs directly into the cerebrospinal fluid in some cases?

  • To increase drug absorption in the gastrointestinal tract
  • To reduce drug distribution in the body
  • To bypass the blood-brain barrier (correct)
  • To enhance drug metabolism in the liver

    • Which route of administration achieves systemic effects by application of drugs to the skin?

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

    Which process involves the movement of a drug into the bloodstream after administration?

    <p>Drug absorption</p> Signup and view all the answers

    What is the driving force for passive diffusion of a drug?

    <p>Concentration gradient</p> Signup and view all the answers

    Which organ is the primary site of drug metabolism?

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

    Which organ is the most important for drug excretion?

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

    What is the purpose of a prodrug?

    <p>To improve drug pharmacokinetics</p> Signup and view all the answers

    What is the half-life of a drug?

    <p>The time it takes for the amount of drug in the body to be reduced by half</p> Signup and view all the answers

    What is the purpose of a loading dose?

    <p>To obtain therapeutic effects while reaching steady state</p> Signup and view all the answers

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