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.   safranin
B.   crystal violet
C.   acid alcohol
D.   malachite green
E.   none of the above is correct
Question #2
Which of the following is the Gram's trapping agent?
A.   Loeffler's methylene blue
B.   Iodine
C.   Acetone- Alcohol
D.   Crystal violet
E.   Safranin
Question #3
Which of the following genus and species from our Microbial Control lab exercise was thermoduric?
A.   Staphylococcus epidermidis
B.   Escherichia coli
C.   Nisseria sicca
D.   Bacillus subtilis
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.   zephiran chloride
B.   alchol
C.   bleach
D.   lysol
Question #5
Which of the following is the Shaeffer-Fulton endospore bleach or destain?
A.   acid alcohol
B.   carbolfuchsin
C.   crystal violet
D.   safranin
E.   none of the above is correct
Question #6
Which of the following is the Shaeffer-Fulton endospore secondary stain?
A.   carbolfuchsin
B.   acid alcohol
C.   crystal violet
D.   safranin
E.   none of the above is correct
Question #7
Which of the following is the Gram's destain or bleaching reagent?
A.   Safranin
B.   Carbolfuchsin
C.   Loeffler's methylene blue
D.   Crystal violet
E.   Acetone- Alcohol

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