Bacteriology Quiz

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Questions and Answers

Plastic containers cannot sterilized a heat labile solution

  • Escherichia
  • Vibrio (correct)
  • Salmonella
  • Campylobacter

A fecal culture shows comma-shaped bacteria. Which genus do they likely belong to?

  • Campylobacter
  • Salmonella
  • Escherichia
  • Vibrio (correct)

Rheumatic fever is most commonly caused by which bacterial species?

  • Staphylococcus aureus
  • Streptococcus pyogenes (correct)
  • Escherichia coli
  • Streptococcus viridans

Which of the following is a common characteristic of bacteria causing rheumatic fever?

<p>Gram-positive cocci (C)</p> Signup and view all the answers

What is a common requirement for the growth of Vibrio species in a culture?

<p>2-4% NaCl (A)</p> Signup and view all the answers

Flashcards

Vibrio

A genus of comma-shaped bacteria often found in fecal cultures.

Rheumatic fever bacteria characteristic?

Gram-positive cocci is a characteristic of bacteria such as Streptococcus pyogenes, a cause of rheumatic fever.

Streptococcus pyogenes

A bacterial species that commonly causes rheumatic fever.

NaCl requirement for Vibrio

Vibrio species need this in their culture for growth.

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Study Notes

Bacteria Identification

  • Comma-shaped bacteria that require 2-4% NaCl to grow are likely to be Vibrio.

Causes of Rheumatic Fever

  • Rheumatic fever is most commonly caused by Streptococcus pyogenes.

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