Micro 020 - General Microbiology » Winter 2021 » Lab Quiz 3 - Act Fast Stain

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Question #1
What are the dyes in an acid-fast stain?
A.   Methylene Blue, Safranin
B.   Carbol Fuchsin , Malachite Green
C.   Carbol Fuchsin, Crystal Violet
D.   Carbol Fuchsin. Methylene Blue
Question #2
What color is an acid-fast bacteria?
A.   Purple
B.   Fuscia
C.   Blue
D.   Red
Question #3
What color is a non acid-fast bacteria?
A.   Orange
B.   Red
C.   Purple
D.   Blue
Question #4
What is the decolorizer for the acid-fast procedure?
A.   Acetone/alcohol
B.   Acid/alcohol
C.   Water
D.   Acid/acetone

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