Dose-Response Relationships in Drug Distribution Quiz
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Questions and Answers

Which of the following best describes the initial symptoms experienced by Mr. F. after consuming the asparagus?

  • Dizziness and headache
  • Blurred vision and double vision (correct)
  • Difficulty breathing and chest pain
  • Nausea and vomiting
  • What did Mr. F. do after realizing that the asparagus smelled funny?

  • He tasted it and swallowed it
  • He ignored it and finished his dinner
  • He rinsed it under water and disposed of it (correct)
  • He threw it away immediately
  • What is the main focus of psychopharmacology?

  • The effects of drugs on the nervous system and behavior (correct)
  • The effects of drugs on the cardiovascular system
  • The study of neurological diseases
  • The study of asparagus and its effects on health
  • Which of the following is the definition of a drug according to pharmacologists?

    <p>An exogenous chemical not necessary for normal cellular functioning that significantly alters the functions of certain cells of the body when taken in relatively low doses</p> Signup and view all the answers

    What is the study of the effects of drugs on the nervous system and behavior called?

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

    Which of the following is NOT considered a drug according to the definition provided?

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

    What are the sites of action of drugs?

    <p>The points at which molecules of drugs interact with molecules located on or in cells of the body</p> Signup and view all the answers

    Which route of drug administration is commonly used to treat lung disorders?

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

    Which route of drug administration involves placing drugs beneath the tongue?

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

    Which route of drug administration involves injecting drugs directly into the brain?

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

    Which route of drug administration involves absorbing drugs through the skin?

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

    Which route of drug administration allows for the most rapid entry of drugs into the brain?

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

    What is the most important factor that determines the rate at which a drug reaches sites of action within the brain?

    <p>Lipid solubility</p> Signup and view all the answers

    Which drug is more lipid soluble, heroin or morphine?

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

    How are drugs eventually eliminated from the body?

    <p>They are deactivated by enzymes</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 section of the chapter discusses the basic principles of psychopharmacology, including the routes of administration and the fate of drugs in the body?

    <p>The first section</p> Signup and view all the answers

    Which of the following is NOT a topic discussed in Chapters 16 and 17?

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

    Which of the following is NOT a way in which drugs exert their effects in the central nervous system?

    <p>Binding with enzymes involved in the production of neurotransmitters</p> Signup and view all the answers

    What is the relationship between a drug's affinity and its effectiveness?

    <p>A drug with high affinity is more effective than a drug with low affinity</p> Signup and view all the answers

    What is one of the goals of research by drug companies?

    <p>To find drugs with high affinities for sites of action that produce therapeutic effects</p> Signup and view all the answers

    Which of the following statements about drugs and their distribution throughout the body is true?

    <p>Smaller subjects require a larger quantity of a drug to achieve the same concentration as larger subjects.</p> Signup and view all the answers

    What happens when the dose of a drug reaches the point of maximum effect?

    <p>Increasing the dose of the drug does not produce any more effect.</p> Signup and view all the answers

    What is the margin of safety of a drug?

    <p>The difference between the dose that produces therapeutic effects and the dose that produces adverse side effects.</p> Signup and view all the answers

    What is the therapeutic index of a drug?

    <p>The ratio of the dose that produces therapeutic effects to the dose that produces toxic effects.</p> Signup and view all the answers

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