Explore the World of Spirochaetes
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Explore the World of Spirochaetes

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Questions and Answers

What is the main reservoir for tick-borne (endemic) relapsing fever?

  • Humans
  • Rodents & small animals (correct)
  • Domestic animals
  • Ticks
  • Which stain is best for visualizing Borreliae?

  • Giemsa stain (correct)
  • Acid-fast stain
  • Ziehl-Neelsen stain
  • Gram stain
  • What is the main mode of transmission for B. recurrentis?

  • Human body louse (correct)
  • Rodents
  • Domestic animals
  • Ticks
  • Which Borrelia species is the most important in causing tick-borne (endemic) relapsing fever?

    <p>B. hermsii</p> Signup and view all the answers

    What is the causative agent of leptospirosis?

    <p>Leptospira interrogans</p> Signup and view all the answers

    What is the characteristic skin lesion in stage 1 of Lyme disease?

    <p>Erythema migrans</p> Signup and view all the answers

    Which animals act as reservoirs for leptospirae?

    <p>Rodents, dogs, swine, and cattle</p> Signup and view all the answers

    How is louse-borne (epidemic) relapsing fever transmitted?

    <p>Human body louse</p> Signup and view all the answers

    What is the mode of transmission of leptospirosis?

    <p>Contact with contaminated water</p> Signup and view all the answers

    What is the characteristic symptom of louse-borne (epidemic) relapsing fever?

    <p>Sudden onset of fever</p> Signup and view all the answers

    How is diagnosis of leptospirosis usually made?

    <p>During febrile stage with abundant spirochaetas in blood</p> Signup and view all the answers

    What is the characteristic symptom of the first phase of leptospirosis?

    <p>Febrile influenza-like illness</p> Signup and view all the answers

    How is Lyme disease typically transmitted to humans?

    <p>Tick bites</p> Signup and view all the answers

    What is the drug of choice for treating leptospirosis?

    <p>Penicillin or doxycycline</p> Signup and view all the answers

    What is the characteristic symptom of the second phase of leptospirosis?

    <p>Dysfunction of the liver, kidney, and CNS</p> Signup and view all the answers

    How is lyme disease diagnosed?

    <p>Serologically by ELISA, to be confirmed by Western blot</p> Signup and view all the answers

    Which stain is best for visualizing Borreliae?

    <p>Giemsa stain</p> Signup and view all the answers

    What is the main reservoir for tick-borne (endemic) relapsing fever?

    <p>Rodents and small animals</p> Signup and view all the answers

    How are Borrelia species transmitted, except for B. recurrentis?

    <p>By ticks</p> Signup and view all the answers

    What is the characteristic skin lesion in stage 1 of Lyme disease?

    <p>Erythema migrans</p> Signup and view all the answers

    What is the mode of transmission of louse-borne (epidemic) relapsing fever?

    <p>By lice</p> Signup and view all the answers

    What is the characteristic symptom of the first phase of leptospirosis?

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

    What is the characteristic symptom of the second phase of leptospirosis?

    <p>Kidney failure</p> Signup and view all the answers

    What is the main mode of transmission for B. recurrentis?

    <p>By lice</p> Signup and view all the answers

    What is the causative agent of leptospirosis?

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

    What is the characteristic symptom of louse-borne (epidemic) relapsing fever?

    <p>Recurrent fever</p> Signup and view all the answers

    What is the characteristic symptom of the second phase of leptospirosis?

    <p>Kidney failure</p> Signup and view all the answers

    What is the characteristic symptom of the first phase of leptospirosis?

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

    Which type of fever is caused by B. recurrens and transmitted from man to man by human body louse?

    <p>Louse-borne (epidemic) relapsing fever</p> Signup and view all the answers

    Which disease is typically a biphasic illness with a quiescent period in-between?

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

    Which is the causative agent of Lyme disease?

    <p>B. burgdorferi</p> Signup and view all the answers

    Which is the characteristic spreading circular red lesion with clear center that occurs at the site of tick bite in Lyme disease?

    <p>Erythema migrans</p> Signup and view all the answers

    What is the main mode of transmission for leptospirosis?

    <p>Contact with contaminated water</p> Signup and view all the answers

    What is the characteristic symptom of the second phase of leptospirosis?

    <p>Dysfunction of liver, kidney &amp; CNS</p> Signup and view all the answers

    What is the characteristic symptom of louse-borne (epidemic) relapsing fever?

    <p>Severe headache &amp; general malaise</p> Signup and view all the answers

    What is the main reservoir for leptospirae?

    <p>Rodents, dogs, swine and cattle</p> Signup and view all the answers

    What is the drug of choice for treating leptospirosis?

    <p>Penicillin or doxycycline</p> Signup and view all the answers

    What is the characteristic symptom of the first phase of leptospirosis?

    <p>Febrile influenza-like illness</p> Signup and view all the answers

    Which stain is best for visualizing leptospirae?

    <p>Giemsa stain</p> Signup and view all the answers

    What is the characteristic symptom of lyme disease?

    <p>Muscle &amp; joint pain, secondary skin lesions &amp; lymphadenopathy</p> Signup and view all the answers

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