Bacterial Pathogenicity Quiz
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Questions and Answers

What is the definition of 'infection'?

  • Occurrence of pathological changes without invasion by microorganisms
  • Invasion of the body by non-pathogenic microorganisms
  • Presence of clinical manifestations without pathological changes
  • Colonization of the body by pathogenic microorganisms (correct)

    • What is the definition of 'pathogenicity'?

  • The presence of clinical manifestations
  • The occurrence of subclinical infections
  • The ability of a bacterial species to produce disease (correct)
  • The degree of pathogenicity

    • What is the relationship between diseases and infections?

  • All infections lead to diseases
  • Diseases are always caused by non-pathogenic microorganisms
  • Infections and diseases are unrelated
  • All diseases are originally infections (correct)

    • What is the meaning of 'virulence'?

    <p>The degree of pathogenicity</p> Signup and view all the answers

    What is the characteristic of 'parasitic bacteria'?

    <p>They always cause disease</p> Signup and view all the answers

    Which term refers to the occurrence of pathological changes and appearance of clinical manifestations as a result of the host-bacterial relationship?

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

    What is the term for the ability of a bacterial species to produce disease?

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

    Which classification of bacteria live freely in nature and do not cause diseases?

    <p>Saprophytic bacteria</p> Signup and view all the answers

    What is the degree of pathogenicity determined by?

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

    Which type of bacteria always cause a disease and live in or on a living host?

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

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