Drug Administration Methods and Absorption
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Questions and Answers

Which of the following is NOT an effect of opiates like morphine and heroin?

  • Slowing of the digestive system
  • Increased sensitivity to pain (correct)
  • Muscular relaxation
  • Constriction of the pupils
  • Where do the sites of action of opiates occur?

  • In the digestive system
  • In the membrane of neurons (correct)
  • In the blood
  • In the pupils
  • What is the purpose of psychopharmacology?

  • To develop psychotherapeutic drugs (correct)
  • To study the functions of cells in the nervous system
  • To investigate the nature of neural circuits
  • To treat mental disorders
  • Which route of administration involves placing a substance beneath the tongue?

    <p>Sublingual administration</p> Signup and view all the answers

    Which route of administration involves administering a substance directly onto the skin or mucous membrane?

    <p>Topical administration</p> Signup and view all the answers

    Which route of administration involves administering a substance into one of the cerebral ventricles?

    <p>Intracerebroventricular administration</p> Signup and view all the answers

    Which route of drug administration provides a very rapid effect because the route from the lungs to the brain is very short?

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

    Which route of drug administration involves placing the drug beneath the tongue and allowing it to be absorbed into the bloodstream by the capillaries that supply the mucous membrane that lines the mouth?

    <p>Sublingual administration</p> Signup and view all the answers

    Which route of drug administration involves injecting the drug directly into the brain or into the cerebrospinal fluid in the brain's ventricular system?

    <p>Intracerebroventricular administration</p> Signup and view all the answers

    Which route of drug administration involves placing the drug on the skin and allowing it to be absorbed directly through the skin?

    <p>Topical administration</p> Signup and view all the answers

    Which route of administration is the fastest and allows the drug to reach the brain within a few seconds?

    <p>Intravenous (IV) injection</p> Signup and view all the answers

    What is the process by which drugs are absorbed, distributed within the body, metabolized, and excreted called?

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

    Which one of the following is NOT a barrier that molecules of drugs must cross to enter the body and reach their sites of action?

    <p>Peritoneal cavity barrier</p> Signup and view all the answers

    Which route of administration is the most common for administering drugs to small laboratory animals?

    <p>Intraperitoneal (IP) injection</p> Signup and view all the answers

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