Infectious Diseases and Virulence Factors
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Questions and Answers

How do bacteria typically spread directly through the body's tissues?

  • Via the circulatory system
  • Through the nervous system
  • Through the lymphatic system (correct)
  • Via the endocrine system
  • Which process allows bacteria to enter the host cell?

  • Invasion (correct)
  • Colonization
  • Pili formation
  • Adherence
  • What enables bacteria to attach to host receptors before entering the host cell?

  • Pili
  • Capsules
  • Flagella
  • Adhesins (correct)
  • What facilitates the widespread spread of bacteria in the body and their reaching of tissues suitable for multiplication?

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

    What is the process by which Chlamydia trachomatis directly enters the host cells?

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

    In what form is most of the iron located in the host, making it less available to bacteria?

    <p>Ferric form (Fe3+)</p> Signup and view all the answers

    How do Type III A-B toxins, a bacterial virulence factor, enter the host cell?

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

    What is the mechanism by which bacteria may be dispersed in the cytoplasm of the host cell?

    <p>Dissolution of the vacuole membrane</p> Signup and view all the answers

    Which route of entry is utilized by Neisseria gonorrhoeae and Chlamydia trachomatis?

    <p>Sexual transmission</p> Signup and view all the answers

    Which of the following is NOT a portal of entry for pathogenic bacteria?

    <p>Urinary tract</p> Signup and view all the answers

    Which bacteria can enter the body through arthropod bites?

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

    Which route of entry is used by Mycobacterium and Legionella?

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

    Which portal of entry is primarily associated with Enterobacteriaceae and Listeria?

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

    Which bacteria use the respiratory tract as their portal of entry into the body?

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

    Which route of entry is utilized by Staphylococcus aureus and Pseudomonas?

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

    Which of the following is a portal of entry for Coxiella and Borrelia?

    <p>Arthropod bite</p> Signup and view all the answers

    Which portal of entry is associated with Mycoplasma pneumoniae and Nocardia?

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

    Which portal of entry is primarily associated with Clostridium tetani?

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

    Which bacteria can utilize sexual transmission as their route of entry into the body?

    <p>Treponema pallidum</p> Signup and view all the answers

    Which route of entry is used by Brucella?

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

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