Microbiology - Mycobacterium

Exercise :: Mycobacterium - Section 1

  • Mycobacterium - Section 1
6. 

False negative Mantoux test is observed in

A. early tuberculosis
B. Advanced tuberculosis
C. Severe malnutrition
D. All of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

7. 

Humans become infected with Mycobacterium tuberculosis most frequently by

A. inhalation
B. ingestion
C. contact
D. inoculation

Answer: Option A

Explanation:

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8. 

Rough and buff colonies on LJ medium are characteristic of

A. M chelonei
B. M bovis
C. Mycobacterium tuberculosis
D. M fortuitum

Answer: Option C

Explanation:

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9. 

Which of the following species of Mycobacterium is positive for nitrate reduction test?

A. M chelonei
B. M fortuitum
C. Mycobacterium tuberculosis
D. All of these

Answer: Option D

Explanation:

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10. 

The bacteria which is microaerophilic on primary isolation, is

A. M fortuitum
B. Mycobacterium tuberculosis
C. M bovis
D. none of these

Answer: Option C

Explanation:

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