Microbiology: Cultivation and Capsular Staining
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Questions and Answers

What is the primary function of a culture medium?

  • To provide a chemical medium for serological testing
  • To inhibit the growth of non-fastidious bacteria
  • To provide a suitable environment for bacterial growth (correct)
  • To differentiate between various types of bacteria

    • What type of culture medium is used to support the growth of most non-fastidious bacteria?

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

    • What is the primary difference between a liquid medium and a solid medium?

  • The physical consistency of the medium (correct)
  • The purpose of the medium in the laboratory
  • The ability to support fastidious bacteria
  • The type of nutrients present

    • What type of culture medium is used to selectively grow a specific type of bacteria?

    <p>Selective medium</p> Signup and view all the answers

    What are the essential components of a culture medium?

    <p>Carbon and nitrogen sources</p> Signup and view all the answers

    What is the purpose of an enriched medium?

    <p>To support the growth of fastidious bacteria</p> Signup and view all the answers

    What type of bacteria is more prevalent in skin and upper respiratory tract infections?

    <p>G +ve bacteria</p> Signup and view all the answers

    What is the purpose of an enrichment medium?

    <p>To enhance the growth of a particular bacterial pathogen from a mixture of organisms</p> Signup and view all the answers

    Which type of staining is used to observe spores?

    <p>Spore staining</p> Signup and view all the answers

    What is the main function of a selective agar?

    <p>To allow the growth of certain microorganisms and inhibit others</p> Signup and view all the answers

    What is the purpose of collecting a sufficient quantity of specimen from the actual infection site?

    <p>To ensure accurate microbial diagnosis</p> Signup and view all the answers

    Which of the following is not a type of microscopic examination?

    <p>Animal inoculation</p> Signup and view all the answers

    What is the purpose of a biochemical reaction in microbiology?

    <p>To identify microorganisms by detection of distinct metabolic products</p> Signup and view all the answers

    What is the purpose of serological reactions in microbial diagnosis?

    <p>To detect the presence of antibodies in the patient's serum</p> Signup and view all the answers

    What type of agar is used to differentiate between alpha, beta, and gamma hemolytic bacteria?

    <p>Blood agar</p> Signup and view all the answers

    What is the purpose of a transport medium?

    <p>To preserve microorganisms in a specimen during transportation</p> Signup and view all the answers

    Which of the following is a molecular diagnostic technique?

    <p>Molecular techniques</p> Signup and view all the answers

    What type of test includes direct detection of antigens or antibodies formed in response to infection?

    <p>Serological test</p> Signup and view all the answers

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