Bio 2010 - Microbiology » Spring 2021 » Lab Quiz 2
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Question #1
Which of the following is the Ziehl-Neelsen acid fast bleach or destain stain?
A.
crystal violet
B.
malachite green
C.
safranin
D.
acid alcohol
E.
none of the above is correct
Question #2
Which of the following is the Gram's trapping agent?
A.
Iodine
B.
Crystal violet
C.
Acetone- Alcohol
D.
Safranin
E.
Loeffler's methylene blue
Question #3
Which of the following genus and species from our Microbial Control lab exercise was thermoduric?
A.
Nisseria sicca
B.
Escherichia coli
C.
Bacillus subtilis
D.
Staphylococcus epidermidis
Question #4
From our Microbial Control lab, which of the following chemical agents did we determine to be the BEST inhibitor of both Gram + and Gram - organisms
A.
bleach
B.
alchol
C.
lysol
D.
zephiran chloride
Question #5
Which of the following is the Shaeffer-Fulton endospore bleach or destain?
A.
safranin
B.
acid alcohol
C.
crystal violet
D.
carbolfuchsin
E.
none of the above is correct
Question #6
Which of the following is the Shaeffer-Fulton endospore secondary stain?
A.
acid alcohol
B.
safranin
C.
carbolfuchsin
D.
crystal violet
E.
none of the above is correct
Question #7
Which of the following is the Gram's destain or bleaching reagent?
A.
Crystal violet
B.
Carbolfuchsin
C.
Loeffler's methylene blue
D.
Acetone- Alcohol
E.
Safranin
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