Mycobacteria

Colony Morphology

100

What is a Mycobacteria that doesn't grow in nitro.

What is a Mycobacteria leprae

200

What is an organism that is buff without light while the pigment intensifies when exposed to light?

What is a Photochromogen

300

What is a category of Mycobacteria that grows on culture media within 7 days

What is a rapid grower

400

What Mycrobacterium is a slow growing, rough, buff, non-chromogenic colony.

What is Mycobacterium tuberculosis

500

What is a colony that appears as an orange-yellow colony in light and without light.

What is a scotochromagen

Acid Fast Staining

100

What is the cellular component in the cell wall of Mycobacteria that with stands gram staining.

What are Mycolic acids (lipids)

200

What is the color of M. tuberculosis when stained with the acid fast stain

What is pink

300

What is the acid fast stain method referred to as the "cold acid fast stain"

What is Kinyoun Stain

500

What is the unique staining characteristic of M.TB which appears as a rope or cord arrangement when stained with the acid fast stain

What is serpentine cording

Diagnosis

100

What is the route of transmission for TB

What is aerosol transmission

200

The mycobacterial species associated with disseminated disease in AIDS patients

What is M.avium complex (MAC)

300

niacin and nitrate positive, catalase positive, heat stable catalase negative.

What are the biochemical reactions for M.TB

400

Development of disease in lab mice after inoculation of the organism on the foot pad of the mice.

How is M. leprae diagnosed

500

large numbers of AFB found in lesions but organism is unculturable on routine mycobacterial media.

What is lepromatous leprosy

Misc

100

An element of safety in any laboratory regardless of the level of service provided. This test is performed annually on microbiology personnel.

What is Tuberculin skin testing