MYCOBACTERIUM QUIZ

Eugonic growth on Lowenstein-Jensen medium is produced by

Mycobacterium tuberculosis

M bovis

Both (a) and (b)

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

False negative Mantoux test is observed in

All of these

Severe malnutrition

early tuberculosis

Advanced tuberculosis

TRUE ANSWER : ?
YOUR ANSWER : ?

A positive Mantoux test indicates an area of induration of

4-9 mm in diameter

None of these

10 mm or more in diameter

1-4 mm in diameter

TRUE ANSWER : ?
YOUR ANSWER : ?

Rough and buff colonies on LJ medium are characteristic of

M chelonei

Mycobacterium tuberculosis

M fortuitum

M bovis

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which cause(s) tuberculosis in man is/are

M bovis

All of these

Mycobacterium tuberculosis

M africanum

TRUE ANSWER : ?
YOUR ANSWER : ?

Example of a Saprophytic bacteria is

M xenopi

Msmegmatis

Mycobacterium chelonei

M marinum

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Type C

Type A

Type I

Type B

TRUE ANSWER : ?
YOUR ANSWER : ?

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

as few as 10-100 per ml

as few as 5-9 per ml

as few as 125-200 per ml

as few as 1-4 per ml

TRUE ANSWER : ?
YOUR ANSWER : ?

The causative agent of Buruli ulcer is

M marinum

M chelonei

M ulcerarts

M fortuitum

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is sensitive to pyrazinamide?

M bovis

M fortuitum

None of these

Mycobacterium tuberculosis

TRUE ANSWER : ?
YOUR ANSWER : ?

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