Bio 2010 - Microbiology » Summer 2021 » Aseptic Transfer Technique (B)

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Question #1
Which of the following best describes sterile media?
A.   media with low pH
B.   media free from nutrients
C.   more than one of the above is correct
D.   media free from living organisms
E.   none of the above is correct
Question #2
You and your partner were talking during your aseptic transfer activity. You cannot remember if you flamed your flame loop before you opened your first test tube. What should you do in order to avoid contamination?
A.   nothing, bacteria cannot grow on the metal loop
B.   flame it again just to be sure.
C.   nothing, the last person flamed it
D.   get a different flame loop
Question #3
Why is it important to flame the test tubes before and after transferring bacteria into fresh, sterile culture media?
A.   more than one of the above is correct
B.   clean the tube for use in the future
C.   to seal the plastic lid on the tube
D.   prevent contaminating the second culture tube
E.   none of the above is correct
Question #4
Where should Petri dish lids be placed during the aseptic transfer technique?
A.   more than one of the above is correct
B.   in your hand, facing down
C.   in your hand, facing up
D.   on the table, facing down
E.   on the table, facing up
F.   none of the above is correct
Question #5
What is the goal of aseptic transfer technique?
A.   to reduce contamination
B.   more than one of the above is correct
C.   to prevent contamination
D.   to allow contamination
E.   none of the above is correct

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