MYCOBACTERIUM QUIZ

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

Mycobacterium tuberculosis

M chelonei

All of these

M fortuitum

TRUE ANSWER : ?
YOUR ANSWER : ?

False negative Mantoux test is observed in

early tuberculosis

Advanced tuberculosis

Severe malnutrition

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Humans become infected with Mycobacterium tuberculosis most frequently by

contact

inhalation

ingestion

inoculation

TRUE ANSWER : ?
YOUR ANSWER : ?

Example of a Saprophytic bacteria is

Msmegmatis

Mycobacterium chelonei

M marinum

M xenopi

TRUE ANSWER : ?
YOUR ANSWER : ?

Members of the genus Mycobacterium are

all of these

gram-positive

non-motile

acid-fast

TRUE ANSWER : ?
YOUR ANSWER : ?

Rough and buff colonies on LJ medium are characteristic of

M fortuitum

Mycobacterium tuberculosis

M bovis

M chelonei

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which is microaerophilic on primary isolation, is

M fortuitum

none of these

Mycobacterium tuberculosis

M bovis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is susceptible to thiophen-2-carboxylic acid hydrazide?

Mycobacterium tuberculosis

M chelonei

M fortuitum

M bovis

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Type C

Type I

Type A

Type B

TRUE ANSWER : ?
YOUR ANSWER : ?

Eugonic growth on Lowenstein-Jensen medium is produced by

Both (a) and (b)

None of these

M bovis

Mycobacterium tuberculosis

TRUE ANSWER : ?
YOUR ANSWER : ?

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