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Microbiology

Study Pack

Set 26 Mycobacterium Tuberculosis And Nontuberculous Mycobacteria

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Question 1

(Multiple Choice)

Free
What is the single most important piece of equipment in a mycobacterial laboratory?

A) Ultraviolet lights
B) Covered centrifuge
C) Biological safety cabinet
D) CO2 incubator

Answer

Question 2

(Multiple Choice)

Free
What constituent of LJ medium is added to suppress the growth of gram-positive bacteria?

A) Carbolfuchsin
B) Malachite green
C) Gentian purple
D) Mercurochrome

Answer

Question 3

(Multiple Choice)

Free
What are scotochromogens?

A) Species that produce carotene pigment upon exposure to light
B) Species that produce pigment in the light or the dark
C) Species whose colonies remain buff colored after exposure to light
D) Species whose colonies fluoresce under ultraviolet light

Answer