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MCQs

Total Questions : 31 | Page 1 of 4 pages
Question 1. Which of the following bacteria is susceptible to thiophen-2-carboxylic acid hydrazide?
  1.    M bovis
  2.    Mycobacterium tuberculosis
  3.    M chelonei
  4.    M fortuitum
 Discuss Question
Answer: Option A. -> M bovis
Question 2. Eugonic growth on Lowenstein-Jensen medium is produced by
  1.    Both (a) and (b)
  2.    M bovis
  3.    None of these
  4.    Mycobacterium tuberculosis
 Discuss Question
Answer: Option D. -> Mycobacterium tuberculosis
Question 3. The causative agent of Buruli ulcer is
  1.    M chelonei
  2.    M fortuitum
  3.    M marinum
  4.    M ulcerarts
 Discuss Question
Answer: Option D. -> M ulcerarts
Question 4. Culture of tubercle bacilli may be positive if number of bacteria in the specimen is
  1.    as few as 10-100 per ml
  2.    as few as 1-4 per ml
  3.    as few as 125-200 per ml
  4.    as few as 5-9 per ml
 Discuss Question
Answer: Option A. -> as few as 10-100 per ml
Question 5. Example of a Saprophytic bacteria is
  1.    M marinum
  2.    M xenopi
  3.    Msmegmatis
  4.    Mycobacterium chelonei
 Discuss Question
Answer: Option C. -> Msmegmatis
Question 6. Rough and buff colonies on LJ medium are characteristic of
  1.    M chelonei
  2.    Mycobacterium tuberculosis
  3.    M fortuitum
  4.    M bovis
 Discuss Question
Answer: Option B. -> Mycobacterium tuberculosis
Question 7. Which of the following species of Mycobacterium is positive for nitrate reduction test?
  1.    M fortuitum
  2.    Mycobacterium tuberculosis
  3.    M chelonei
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 8. Humans become infected with Mycobacterium tuberculosis most frequently by
  1.    ingestion
  2.    contact
  3.    inhalation
  4.    inoculation
 Discuss Question
Answer: Option C. -> inhalation
Question 9. False negative Mantoux test is observed in
  1.    early tuberculosis
  2.    Advanced tuberculosis
  3.    Severe malnutrition
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 10. The bacteria which is microaerophilic on primary isolation, is
  1.    M fortuitum
  2.    Mycobacterium tuberculosis
  3.    none of these
  4.    M bovis
 Discuss Question
Answer: Option D. -> M bovis

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