Microbiology Isolation and Identification Process Quiz
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Questions and Answers

Which type of media supports the growth of most aerobic and facultative aerobic microorganisms?

  • General purpose media (correct)
  • Selective media
  • Enriched media
  • Differential media

    • What type of media enhances the growth of certain microorganisms while retarding others?

  • Enriched media
  • Differential media
  • General purpose media
  • Selective media (correct)

    • Which type of media allows the identification of microorganisms based on their appearance on the media?

  • Enriched media
  • Differential media (correct)
  • Selective media
  • General purpose media

    • What does Eosin methylene blue (EMB) media selectively isolate?

    <p>Gram-negative microorganisms</p> Signup and view all the answers

    In which type of infection are anaerobic growth conditions particularly important?

    <p>Wound or blood infections</p> Signup and view all the answers

    What is the purpose of using microaerophilic jars for certain pathogens?

    <p>To provide low oxygen conditions for specific pathogens</p> Signup and view all the answers

    What is the primary consideration for obtaining specimens for correct isolation and identification?

    <p>Preventing damage to factors required for identification</p> Signup and view all the answers

    What is the potential consequence of introducing microorganisms into the specimen during collection?

    <p>Increased likelihood of false positive results</p> Signup and view all the answers

    Which type of infection may require the use of biopsies for specimen collection?

    <p>Tissue or organ infections</p> Signup and view all the answers

    What is the role of differential media in the identification of microorganisms?

    <p>Allows differentiation of microorganisms based on appearance</p> Signup and view all the answers

    Why is it important to use anaerobic growth conditions for certain infections?

    <p>To facilitate the growth of anaerobic bacteria</p> Signup and view all the answers

    What is the purpose of using enriched media in microbiological testing?

    <p>To enhance the growth of specific fastidious microorganisms</p> Signup and view all the answers

    What is the purpose of the Immunological tests described in the text?

    <p>To diagnose specific pathogens or toxins</p> Signup and view all the answers

    Which test employs the smallest amount of Ig to give a reaction with antigen?

    <p>Radioimmuno assay (RIA)</p> Signup and view all the answers

    What is the role of the Viral neutralisation test?

    <p>To assess the ability of Igs to inhibit the biological activity of pathogens or toxins</p> Signup and view all the answers

    What is the purpose of the Viral hemagglutination test?

    <p>To detect surface proteins clumping on red blood cells</p> Signup and view all the answers

    What is the function of Fluorescent Igs in the tests described?

    <p>To detect antigens on cells</p> Signup and view all the answers

    In the Enzyme Linked Immunosorbent assay (ELISA), what is typically used as the enzyme label?

    <p>All of the above</p> Signup and view all the answers

    What are the types of ELISA tests described in the text?

    <p>Direct and Indirect</p> Signup and view all the answers

    What is the purpose of the Polymerase Chain Reaction (PCR) mentioned in the text?

    <p>To amplify a very specific product of DNA replication</p> Signup and view all the answers

    What is the function of MALDI-TOF Mass spectrometry in clinical labs?

    <p>To identify different bacteria based on their signature profiles</p> Signup and view all the answers

    What is the purpose of the Neutralisation test?

    <p>To neutralize the biological activity of pathogens/toxins</p> Signup and view all the answers

    What is the main function of the Radioimmuno assay (RIA)?

    <p>To measure the smallest amount of Ig needed to give a reaction with antigen</p> Signup and view all the answers

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