Bio 2010 - Microbiology » Summer 2022 » Gram Stain Technique Quiz
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Question #1
Which of the following describes the best way to dry the smear before heat fixing?
A.
Blow it
B.
Use a fan
C.
Air-dry
D.
Warm it over the flame
Question #2
Why is it important that you don’t put too much water to prepare the smear?
A.
Water can dilute the stain
B.
It will cause the cells to swim away
C.
It will take too long to dry the smear
D.
Water may carry contaminants
Question #3
Which of the following is the Gram's primary stain?
A.
Carbolfuchsin
B.
Safranin
C.
Crystal violet
D.
Acetone- Alcohol
E.
Loeffler's methylene blue
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