Mycobacterium Tuberculosis
A granulomatous reaction is typical for Mycobacterium tuberculosis infection.
What our notes say
- A granulomatous reaction is typical for Mycobacterium tuberculosis infection. (Respiratory system pathology mcqs — Past Paper Questions & Answers)
- *Classic constitutional TB symptoms plus a positive Ziehl-Neelsen (acid-fast) stain are diagnostic of Mycobacterium tuberculosis.* (End Sem Cat: Respiratory Pathology: Emphysema, ARDS, Pneumoconiosis)
- Chronic, progressive monoarticular infection caused by *Mycobacterium tuberculosis* (Infectious Arthritis: Bacterial, TB & Viral Joint Infections)
- TB is a serious bacterial infection caused by Mycobacterium tuberculosis. (MASTER PHARMACOLOGY NOTES)
- Caused by Mycobacterium tuberculosis (MTB) — slow-growing obligate aerobe (Pharmco Notes)
- Spread from nearby sites (for example appendicitis), and *Mycobacterium tuberculosis*. (Gynaecology Year 4 CAT (MBOG 4212): 30 November 2018, ovarian cysts, abnormal me)
Study material on Mycobacterium Tuberculosis
- Respiratory system pathology mcqs
- Medical Bacteriology and Entomology MCQs
- Medical Bacteriology Examination MCQs
- Streptococcus Classification, S. pyogenes, Rheumatic Fever, AGN
- Medical Bacteriology MCQs: ETEC, Pseudomonas, Salmonella & More
- Mbmm3311 – Medical Bacteriology
- Weekly Year 2: Microbiology Exam - June 12, 2026 (Section A: MCQs)
Practice questions on Mycobacterium Tuberculosis
The Mantoux test (tuberculin skin test) is used to detect exposure to Mycobacterium tuberculosis.
- A) TB exposure
- B) Current TB infection
- C) Past TB infection only
- D) BCG vaccination status
Answer: A. The Mantoux test indicates that a person has been infected with M. tuberculosis at some point. It does not distinguish between active infection, latent infection, or prior BCG vaccination, and requires further evaluation for diagnosis of active TB.
Moxifloxacin is a fluoroquinolone antibiotic that has activity against Mycobacterium tuberculosis, including some multidrug-resistant strains. It is often used in combination with other antitubercular agents.
- A) Moxifloxacin
- B) Isoniazid
- C) Rifampicin
- D) Pyrazinamide
Answer: A. While isoniazid, rifampicin, and pyrazinamide are primary antitubercular drugs, moxifloxacin (a fluoroquinolone) is an important agent in treating multidrug-resistant tuberculosis (MDR-TB) due to its activity against M. tuberculosis, including some strains resistant to first-line drugs.