Chlamydia Bacteria MCQs

  1. Which of the following is a characteristic feature of Chlamydia bacteria?
    • a) Gram-positive staining
    • b) Gram-negative staining
    • c) Obligate intracellular parasites ✅
    • d) Spore-forming

  2. Which Chlamydia species is responsible for causing trachoma?
    • a) Chlamydia trachomatis ✅
    • b) Chlamydia pneumoniae
    • c) Chlamydia psittaci
    • d) Chlamydia abortus

  3. Which of the following is a common symptom of Chlamydia trachomatis infection?
    • a) Fever
    • b) Eye infection (trachoma) ✅
    • c) Diarrhea
    • d) Coughing up blood

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

  5. Which Chlamydia species is responsible for causing sexually transmitted infections (STIs)?
    • a) Chlamydia trachomatis ✅
    • b) Chlamydia pneumoniae
    • c) Chlamydia psittaci
    • d) Chlamydia abortus

  6. Which of the following is a common symptom of Chlamydia trachomatis STI?
    • a) Fever
    • b) Genital discharge ✅
    • c) Diarrhea
    • d) Coughing up blood

  7. Which of the following is a common treatment for Chlamydia trachomatis STI?
    • a) Penicillin
    • b) Azithromycin ✅
    • c) Rifampin
    • d) Amoxicillin

  8. Which Chlamydia species is responsible for causing pneumonia?
    • a) Chlamydia trachomatis
    • b) Chlamydia pneumoniae ✅
    • c) Chlamydia psittaci
    • d) Chlamydia abortus

  9. Which of the following is a common symptom of Chlamydia pneumoniae infection?
    • a) Fever
    • b) Cough ✅
    • c) Diarrhea
    • d) Coughing up blood

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

  11. Which Chlamydia species is responsible for causing psittacosis?
    • a) Chlamydia trachomatis
    • b) Chlamydia pneumoniae
    • c) Chlamydia psittaci ✅
    • d) Chlamydia abortus

  12. Which of the following is a common symptom of Chlamydia psittaci infection?
    • a) Fever ✅
    • b) Eye infection
    • c) Diarrhea
    • d) Coughing up blood

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

  14. Which Chlamydia species is responsible for causing abortion in animals?
    • a) Chlamydia trachomatis
    • b) Chlamydia pneumoniae
    • c) Chlamydia psittaci
    • d) Chlamydia abortus ✅

  15. Which of the following is a common symptom of Chlamydia abortus infection in animals?
    • a) Fever
    • b) Abortion ✅
    • c) Diarrhea
    • d) Coughing up blood

  16. Which of the following is a common treatment for Chlamydia abortus infection in animals?
    • a) Penicillin
    • b) Doxycycline ✅
    • c) Rifampin
    • d) Amoxicillin

  17. Which of the following is a characteristic of Chlamydia trachomatis 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.

  18. Which of the following is a characteristic of Chlamydia pneumoniae 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.

  19. Which of the following is a characteristic of Chlamydia psittaci 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.

  20. Which of the following is a characteristic of Chlamydia abortus 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.

  21. Which of the following is a common route of transmission for Chlamydia trachomatis STI?
    • a) Ingestion
    • b) Inhalation
    • c) Sexual contact ✅
    • d) Vector-borne

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

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

  24. Which of the following is a common route of transmission for Chlamydia abortus?
    • a) Ingestion
    • b) Inhalation
    • c) Sexual contact
    • d) Contact with infected animals ✅

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

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

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

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

  29. Which of the following is a common diagnostic method for Chlamydia trachomatis STI?
    • a) Gram staining
    • b) PCR ✅
    • c) Acid-fast staining
    • d) ELISA

  30. Which of the following is a common diagnostic method for Chlamydia pneumoniae?
    • a) Gram staining
    • b) PCR ✅
    • c) Acid-fast staining
    • d) ELISA

  31. Which of the following is a common diagnostic method for Chlamydia psittaci?
    • a) Gram staining
    • b) PCR ✅
    • c) Acid-fast staining
    • d) ELISA

  32. Which of the following is a common diagnostic method for Chlamydia abortus?
    • a) Gram staining
    • b) PCR ✅
    • c) Acid-fast staining
    • d) ELISA
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