Cholera Toxin and Diphtheria Toxin Quiz

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Questions and Answers

Which of the following toxins causes the characteristic 'rice-water' diarrhea?

  • Botulinum Toxin
  • Tetanus Toxin
  • Diphtheria Toxin
  • Cholera Toxin (correct)

Which toxin inhibits protein synthesis by ADP-ribosylation of elongation factor 2?

  • Diphtheria Toxin (correct)
  • Tetanus Toxin
  • Cholera Toxin
  • Botulinum Toxin

Which toxin causes muscle paralysis by blocking the release of acetylcholine at neuromuscular junctions?

  • Botulinum Toxin (correct)
  • Diphtheria Toxin
  • Cholera Toxin
  • Tetanus Toxin

What is the main difference between pathogenicity and virulence?

<p>Pathogenicity refers to the ability of a microbe to cause disease, while virulence refers to the severity of the disease caused by the microbe. (D)</p> Signup and view all the answers

Which of the following is an example of a mechanism by which a pathogen enhances its virulence?

<p>Producing toxins that damage host cells (A)</p> Signup and view all the answers

How does a pathogen's ability to adhere to host cells contribute to its virulence?

<p>It enables the pathogen to establish infection and cause disease (B)</p> Signup and view all the answers

What is the primary function of an antibody?

<p>To neutralize pathogens and toxins (C)</p> Signup and view all the answers

Which of the following is a characteristic of a highly virulent pathogen?

<p>Ability to evade the immune response (C)</p> Signup and view all the answers

How do antibodies contribute to immunity against pathogens?

<p>By neutralizing pathogens and marking them for destruction by immune cells (B)</p> Signup and view all the answers

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