Apart from nodule formation, this infection can also be characterized by depigmented patches on the skin that are devoid of sensation/feeling.

• Buruli ulcer

• leprosy

• tuberculosis

• ptyriasis versicolor

These are the characteristic colonies of:

• M. avium complex

• M. leprae

• M. tuberculosis

• M. kansasii

According to the RITM/DOH scale, how do you report the following finding:              8 AFB / OIF in at least 50 visual fields

Which of the following choices does not belong to the group?

• Isoniazid

• viomycin

• pyrazinamide

• streptomycin

An enzyme obtained from lepromatous skin nodules which differentiates M. leprae from other Mycobacteria.

• catalase

• arylsulfatase

• phenolase

• arylamidase

It is a useful single test for differentiating M. bovis from M. tuberculosis.

• Niacin Test

• Thiopene-2-carboxylic acid hydrazide test

• Arylsulfatase Test

• Semi-quantitative catalase test

Hansen’s bacillus

• M. tuberculosis

• M. leprae

• M. bovis

• MAC

Which of the following pairs of MOTT/NTM are rapid growers?

• M. avium & M. intracellulare

• M. gordonae & M. xenopi

• M. kansasii & M. marinum

• M. fortuitum & M. chelonei

Doubling time of M. tuberculosis

• 297-329 minutes

• 729-932 minutes

• 72-93 hours

• 72-93 minutes

This infection is caused by which of the following organism?

• M. tuberculosis

• M. leprae

• M. marinum

• M. ulcerans