Microbiology Quiz: Bacterial Culture and Sensitivity

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Questions and Answers

What is the purpose of the antibiotic sensitivity test in microbiology?

  • To grow anaerobic bacteria
  • To identify the type of bacteria
  • To determine whether bacteria are sensitive or resistant to antibiotics (correct)
  • To provide nutritional requirements for fastidious bacteria

What type of media is used to grow anaerobic bacteria?

  • Selective media
  • Anaerobic culture (correct)
  • Enriched media
  • Simple media

Which of the following media is used to isolate Staph aureus?

  • Simple media
  • MacConkey's agar
  • Eosin Methylene blue (EMB)
  • Mannitol Salt Agar (correct)

What is the purpose of sterilization in microbiology?

<p>To eliminate contaminants from media (D)</p> Signup and view all the answers

What is the characteristic of lactose fermenting enteric bacteria on MacConkey's agar?

<p>They produce pink colonies (B)</p> Signup and view all the answers

What is the purpose of enriched media in microbiology?

<p>To provide nutritional requirements for fastidious bacteria (C)</p> Signup and view all the answers

What is the purpose of the two bottles used in blood culture?

<p>One for aerobic and one for anaerobic incubation (D)</p> Signup and view all the answers

What is the component that makes Löwenstein-Jensen medium selective?

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

How is Löwenstein-Jensen medium sterilized?

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

What is the purpose of subculturing in blood culture?

<p>To allow for the growth of microorganisms (A)</p> Signup and view all the answers

What is the incubation period for blood culture?

<p>Up to 10 days (A)</p> Signup and view all the answers

What is the name of the method used for antibiotic sensitivity testing?

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

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