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Post Quiz
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1When oxygen is present in the environment, methylene blue is ______.
A)blue
B)colorless



2If the tubes were not sealed properly and the Methylene Blue Reductase test was performed, how would the test be biased?
A)Samples would reach the endpoint of the reaction in a shorter time
B)Samples would reach the endpoint of the reaction in a longer time



3Would you expect ultra high temperature pasteurized milk (with a shelf life of 3-4 weeks) to have a shorter or longer MBRT than pasteurized milk?
A)Shorter
B)Longer



4Which of the following microganisms are not commonly tested for in raw milk?
A)Salmonella
B)Campylobacter
C)Candida
D)Listeria monocytogenes



5The methylene blue reductase test is not specific for coliforms.
A)True
B)False







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