Vibrio Cholera Characteristics Quiz
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Questions and Answers

What is the shape of the Vibrio cholerae bacterium?

  • Comma-shaped (correct)
  • Straight rod
  • Spiral
  • Spherical

What is the preferred growth environment for Vibrio cholerae?

  • Alkaline media (correct)
  • Vibrio cholerae has no preference for growth media
  • Acidic media
  • Neutral media

Which of the following is a key virulence factor of Vibrio cholerae?

  • Catalase production
  • Cholera toxin (correct)
  • Resistance to stomach acid
  • Ability to form spores

How is cholera primarily transmitted?

<p>Through contaminated water sources (C)</p> Signup and view all the answers

What is the characteristic symptom of cholera infection?

<p>Profuse watery diarrhea (B)</p> Signup and view all the answers

What does the 'raft that is attached to the shore' represent in the context of Vibrio cholerae infection?

<p>The bacterial fimbriae that attach to intestinal epithelial cells (D)</p> Signup and view all the answers

What is the primary function of the cholera toxin produced by Vibrio cholerae?

<p>Upregulate the production of cyclic AMP (cAMP) (D)</p> Signup and view all the answers

What is the significance of the 'Blue Ring - Oxidase Positive' characteristic of Vibrio cholerae?

<p>It is a diagnostic feature for identifying Vibrio cholerae on TCBS agar (A)</p> Signup and view all the answers

What is the role of the 'TCP (Toxin Co-regulated Pilus)' in Vibrio cholerae pathogenesis?

<p>It provides a binding site for the lysogenic bacteriophage (D)</p> Signup and view all the answers

What does the 'River walls are mucosal wall and the water is the intestinal lumen' analogy represent?

<p>The reservoir and site of colonization for Vibrio cholerae (B)</p> Signup and view all the answers

What is the significance of the 'Lemon - Grows in alkaline environments, ACID LABILE - Dies with acid' characteristic of Vibrio cholerae?

<p>It indicates the bacteria's preference for alkaline environments and sensitivity to acidic conditions (A)</p> Signup and view all the answers

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