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

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