Spirochetes Bacteria MCQs

  1. Which of the following is a characteristic feature of spirochetes?
    • a) Gram-positive staining
    • b) Gram-negative staining
    • c) Helical or spiral shape ✅
    • d) Spore-forming

  2. Which spirochete is responsible for causing syphilis?
    • a) Borrelia burgdorferi
    • b) Treponema pallidum ✅
    • c) Leptospira interrogans
    • d) Borrelia recurrentis

  3. Which of the following is a common symptom of syphilis?
    • a) Fever
    • b) Skin rash ✅
    • c) Diarrhea
    • d) Coughing up blood

  4. Which of the following is a common treatment for syphilis?
    • a) Penicillin ✅
    • b) Doxycycline
    • c) Rifampin
    • d) Amoxicillin

  5. Which spirochete is responsible for causing Lyme disease?
    • a) Borrelia burgdorferi ✅
    • b) Treponema pallidum
    • c) Leptospira interrogans
    • d) Borrelia recurrentis

  6. Which of the following is a common symptom of Lyme disease?
    • a) Fever
    • b) Skin rash (Erythema migrans) ✅
    • c) Diarrhea
    • d) Coughing up blood

  7. Which of the following is a common treatment for Lyme disease?
    • a) Penicillin
    • b) Doxycycline ✅
    • c) Rifampin
    • d) Amoxicillin

  8. Which spirochete is responsible for causing relapsing fever?
    • a) Borrelia burgdorferi
    • b) Treponema pallidum
    • c) Leptospira interrogans
    • d) Borrelia recurrentis ✅

  9. Which of the following is a common symptom of relapsing fever?
    • a) Fever ✅
    • b) Skin rash
    • c) Diarrhea
    • d) Coughing up blood

  10. Which of the following is a common treatment for relapsing fever?
    • a) Penicillin ✅
    • b) Doxycycline
    • c) Rifampin
    • d) Amoxicillin

  11. Which spirochete is responsible for causing leptospirosis?
    • a) Borrelia burgdorferi
    • b) Treponema pallidum
    • c) Leptospira interrogans ✅
    • d) Borrelia recurrentis

  12. Which of the following is a common symptom of leptospirosis?
    • a) Fever ✅
    • b) Skin rash
    • c) Diarrhea
    • d) Coughing up blood

  13. Which of the following is a common treatment for leptospirosis?
    • a) Penicillin
    • b) Doxycycline ✅
    • c) Rifampin
    • d) Amoxicillin

  14. Which of the following is a characteristic of Treponema pallidum?
    • a) It is a common cause of Lyme disease.
    • b) It is a common cause of relapsing fever.
    • c) It is a common cause of syphilis ✅
    • d) It is a common cause of leptospirosis.

  15. Which of the following is a characteristic of Borrelia burgdorferi?
    • a) It is a common cause of syphilis.
    • b) It is a common cause of relapsing fever.
    • c) It is a common cause of Lyme disease ✅
    • d) It is a common cause of leptospirosis.

  16. Which of the following is a characteristic of Leptospira interrogans?
    • a) It is a common cause of syphilis.
    • b) It is a common cause of relapsing fever.
    • c) It is a common cause of Lyme disease.
    • d) It is a common cause of leptospirosis ✅

  17. Which of the following is a characteristic of Borrelia recurrentis?
    • a) It is a common cause of syphilis.
    • b) It is a common cause of relapsing fever ✅
    • c) It is a common cause of Lyme disease.
    • d) It is a common cause of leptospirosis.

  18. Which of the following is a common route of transmission for Treponema pallidum?
    • a) Ingestion
    • b) Inhalation
    • c) Sexual contact ✅
    • d) Vector-borne

  19. Which of the following is a common route of transmission for Borrelia burgdorferi?
    • a) Ingestion
    • b) Inhalation
    • c) Sexual contact
    • d) Vector-borne (tick bite) ✅

  20. Which of the following is a common route of transmission for Leptospira interrogans?
    • a) Ingestion
    • b) Inhalation
    • c) Sexual contact
    • d) Contact with contaminated water ✅

  21. Which of the following is a common route of transmission for Borrelia recurrentis?
    • a) Ingestion
    • b) Inhalation
    • c) Sexual contact
    • d) Vector-borne (louse bite) ✅

  22. Which of the following is a characteristic of Treponema pallidum that makes it difficult to culture?
    • a) It is a Gram-positive bacterium.
    • b) It is a non-motile bacterium.
    • c) It requires special culture media ✅
    • d) It is a spore-forming bacterium.

  23. Which of the following is a characteristic of Borrelia burgdorferi that makes it difficult to culture?
    • a) It is a Gram-positive bacterium.
    • b) It is a non-motile bacterium.
    • c) It requires special culture media ✅
    • d) It is a spore-forming bacterium.

  24. Which of the following is a characteristic of Leptospira interrogans that makes it difficult to culture?
    • a) It is a Gram-positive bacterium.
    • b) It is a non-motile bacterium.
    • c) It requires special culture media ✅
    • d) It is a spore-forming bacterium.

  25. Which of the following is a characteristic of Borrelia recurrentis that makes it difficult to culture?
    • a) It is a Gram-positive bacterium.
    • b) It is a non-motile bacterium.
    • c) It requires special culture media ✅
    • d) It is a spore-forming bacterium.

  26. Which of the following is a characteristic of Treponema pallidum that makes it difficult to visualize?
    • a) It is a Gram-positive bacterium.
    • b) It is a non-motile bacterium.
    • c) It is too thin to be seen with a light microscope ✅
    • d) It is a spore-forming bacterium.

  27. Which of the following is a characteristic of Borrelia burgdorferi that makes it difficult to visualize?
    • a) It is a Gram-positive bacterium.
    • b) It is a non-motile bacterium.
    • c) It is too thin to be seen with a light microscope ✅
    • d) It is a spore-forming bacterium.

  28. Which of the following is a characteristic of Leptospira interrogans that makes it difficult to visualize?
    • a) It is a Gram-positive bacterium.
    • b) It is a non-motile bacterium.
    • c) It is too thin to be seen with a light microscope ✅
    • d) It is a spore-forming bacterium.

  29. Which of the following is a characteristic of Borrelia recurrentis that makes it difficult to visualize?
    • a) It is a Gram-positive bacterium.
    • b) It is a non-motile bacterium.
    • c) It is too thin to be seen with a light microscope ✅
    • d) It is a spore-forming bacterium.
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