MYCOBACTERIUM QUIZ

Members of the genus Mycobacterium are

acid-fast

all of these

gram-positive

non-motile

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Which of the phage types of Mycobacterium tuberculosis occurs most frequently in India?

Type B

Type A

Type I

Type C

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The causative agent of Buruli ulcer is

M marinum

M fortuitum

M ulcerarts

M chelonei

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False negative Mantoux test is observed in

Advanced tuberculosis

All of these

Severe malnutrition

early tuberculosis

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Culture of tubercle bacilli may be positive if number of bacteria in the specimen is

as few as 125-200 per ml

as few as 10-100 per ml

as few as 1-4 per ml

as few as 5-9 per ml

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Which of the following bacteria is sensitive to pyrazinamide?

Mycobacterium tuberculosis

M bovis

M fortuitum

None of these

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The bacteria which is microaerophilic on primary isolation, is

M fortuitum

M bovis

none of these

Mycobacterium tuberculosis

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Eugonic growth on Lowenstein-Jensen medium is produced by

Both (a) and (b)

Mycobacterium tuberculosis

M bovis

None of these

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Example of a Saprophytic bacteria is

Mycobacterium chelonei

Msmegmatis

M marinum

M xenopi

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Humans become infected with Mycobacterium tuberculosis most frequently by

inoculation

inhalation

contact

ingestion

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