Medical Emergencies · single question

What agent causes tuberculosis?

  1. Pneumococcal bacteria
  2. Mycobacterium tuberculosis
  3. Haemophilus influenzae
  4. Legionella pneumophila
Show answer and explanation

Correct answer: B. Mycobacterium tuberculosis

  • A. Pneumococcus (Streptococcus pneumoniae) causes pneumonia/meningitis, not TB.
  • B. Correct. Mycobacterium tuberculosis is the causative organism of tuberculosis.
  • C. H. influenzae causes respiratory infections and meningitis, not TB.
  • D. Legionella causes Legionnaires' disease, not TB.

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