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 (D)</p> Signup and view all the answers

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

<p>Endocytosis (A)</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+) (B)</p> Signup and view all the answers

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

<p>Endocytosis (C)</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 (B)</p> Signup and view all the answers

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

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

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

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

Which bacteria can enter the body through arthropod bites?

<p>Francisella (B)</p> Signup and view all the answers

Which route of entry is used by Mycobacterium and Legionella?

<p>Inhalation (D)</p> Signup and view all the answers

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

<p>Ingestion (C)</p> Signup and view all the answers

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

<p>Streptococcus (D)</p> Signup and view all the answers

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

<p>Needlestick (D)</p> Signup and view all the answers

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

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

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

<p>Inhalation (C)</p> Signup and view all the answers

Which portal of entry is primarily associated with Clostridium tetani?

<p>Trauma (A)</p> Signup and view all the answers

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

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

Which route of entry is used by Brucella?

<p>Ingestion (C)</p> Signup and view all the answers

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