Mycobact 3-3

Nucleic acid amplification is not available for identification of Mycobacteria

• True

• False

• Maybe

Runyon classification system based on photoreactivity

• Slow growers

• Rapid growers

• Photochromogen

• Scotochromogen

• Nonchromogen

Characteristics of M. tuberculosis (Mtb)

• Koch's bacillus

• Cauliflower colonies

• Cord factor

• longest replication time (20-22 hours)

• Consumption disease

M. bovis characteristics

• Tb in cattle, dogs, cats, swine, parrots & humans

• used for vaccination (BCG) of newborns

• slow grower, nonpigmented

• Niacin - negative, Nitrate - negative

• None of the above

Swimming pool granuloma is caused by

• M. tuberculosis

• M. avium

• M. marinum

• M. leprae

Skin tests for Mycobacteria

• PPD Tuberculin test

• Mantoux test

• Tine test

• Vollmer Patch test

• Von-Pirquet scratch method

Mycobacteria are Acid-Fast Bacilli (AFB) that are difficult to decolorize with acid solutions once stained.

• True

• False

• Maybe

Automated Nonradiometric microbial detection system

• MGIT 960 System

• MB/BacT Alert system

• VersaTrek system

• Vitek system

• None of the above

M. leprae causes which form of Hansen's disease

• Tuberculoid (neural)

• Lepromatous (progressive)

• Both

• Neither

Skin tests for M. leprae

• Fernandez reaction

• Mitsuda reaction

• Both

• Neither