Syphilis Antibodies Quiz
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Questions and Answers

Which type of tests are used to detect the presence of antibodies to treponemal antigens?

  • Flocculation tests
  • Treponemal tests (correct)
  • Non-treponemal tests
  • Serologic tests
  • What is the method used for detecting reagin in the RPR test?

  • Addition of choline chloride (correct)
  • Serum heating
  • Thimerosal
  • Lecithin
  • Which specimen type is used for the VDRL test?

  • Serum or plasma
  • Inactivated serum, CSF (correct)
  • Rotator
  • Thimerosal
  • What is the antigen detected in the ELISA test?

    <p>T.pallidum</p> Signup and view all the answers

    At what temperature must the tests be performed?

    <p>Within the range of 23°C to 29°C</p> Signup and view all the answers

    For how long are the small glass vials containing the suspension stable after opening?

    <p>3 months</p> Signup and view all the answers

    How long does the primary stage of syphilis typically last?

    <p>28-42 days</p> Signup and view all the answers

    What is the detection method for rashes that develop in syphilis patients?

    <p>None of the above</p> Signup and view all the answers

    What are the symptoms of latent stage syphilis?

    <p>No symptoms may be present</p> Signup and view all the answers

    How is Congenital Syphilis different from Venereal Syphilis?

    <p>Congenital Syphilis usually has CNS abnormalities</p> Signup and view all the answers

    Which test is used to detect Neurosyphilis in patients?

    <p>None of the above</p> Signup and view all the answers

    What are the lesions like in non-venereal endemic syphilis?

    <p>Elevated, granulomatous nodules</p> Signup and view all the answers

    What is the predominant antibody in Specific Anti-Treponemal Antibodies?

    <p>IgM</p> Signup and view all the answers

    When does IgG rapidly increase in Specific Anti-Treponemal Antibodies?

    <p>During the early stages of infection</p> Signup and view all the answers

    What do Non-Treponemal Antibodies (Reagin Antibodies) indicate?

    <p>Other infectious diseases and conditions</p> Signup and view all the answers

    What is the purpose of non-treponemal assays in serological testing for syphilis?

    <p>To screen for antibodies to cardiolipin released from damaged cells</p> Signup and view all the answers

    Which type of antibody do the non-treponemal assays primarily target in serological testing?

    <p>IgG</p> Signup and view all the answers

    What is the role of fluorescent-labeled antibody conjugate in the laboratory diagnosis of syphilis?

    <p>Detects specific T pallidum antibodies</p> Signup and view all the answers

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