Syphilis and Pallidum Characteristics
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Questions and Answers

What is the ideal oxygen range for the growth of Treponema pallidum?

  • 10% - 15% oxygen
  • Zero oxygen required
  • 3% - 5% oxygen (correct)
  • 20% - 25% oxygen
  • Which of the following is a characteristic of the primary stage of syphilis?

  • Painful lesion
  • Gumma formation
  • Dry, nontender lesion (correct)
  • Highly infectious lesions
  • What is the name of the serological test that remains positive the longest in syphilis diagnosis?

  • RPR
  • VDRL
  • TPIA
  • FTA-ABS (correct)
  • Which of the following is a treatment option for syphilis?

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

    What is the characteristic morphology of Treponema pallidum under dark field microscopy?

    <p>Long, with 10-13 coils and 3 fibrils</p> Signup and view all the answers

    What is the time period for the development of the tertiary stage of syphilis?

    <p>10 to 25 years</p> Signup and view all the answers

    What is the primary mode of transmission of Leptospirosis?

    <p>Contact with urine of infected animals and polluted water</p> Signup and view all the answers

    What is the primary method of diagnosing syphilis using direct visualization?

    <p>Dark field microscopy</p> Signup and view all the answers

    What is the characteristic shape of Treponema Denticola?

    <p>Thin, coiled spirochetes with a hook at both ends</p> Signup and view all the answers

    What is the gold standard for laboratory diagnosis of Leptospirosis?

    <p>Leptospire microscopic agglutination test</p> Signup and view all the answers

    What is the purpose of the VDRL test in syphilis diagnosis?

    <p>To monitor the treatment of syphilis</p> Signup and view all the answers

    What is the characteristic of Borrelia Burgdorferi that distinguishes it from other bacteria?

    <p>Weakly staining, gram negative</p> Signup and view all the answers

    What is the characteristic of the Treponema pallidum subsp. pertenue?

    <p>It causes non-venereal endemic syphilis</p> Signup and view all the answers

    What is the primary lesion of Pinta disease caused by Treponema Carateum?

    <p>Primary lesion with enlargement of the regional lymph nodes</p> Signup and view all the answers

    What is the principle of the VDRL test?

    <p>Reagin binds to the test antigen, causing flocculation</p> Signup and view all the answers

    What is a common cause of false-positive VDRL results?

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

    What is the vector of transmission for Borrelia Burgdorferi?

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

    What is the purpose of the TP-PA test in syphilis diagnosis?

    <p>To detect the presence of antibodies to treponemal antigens</p> Signup and view all the answers

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