Bio 2010 - Microbiology » Summer 2023 » Aseptic Transfer Technique
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Question #1
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, the last person flamed it
B.
flame it again just to be sure.
C.
get a different flame loop
D.
nothing, bacteria cannot grow on the metal loop
Question #2
Once inoculated with bacteria, how should agar Petri plates be incubated?
A.
none of these
B.
upside down
C.
right side up
D.
sideways
Question #3
What is the goal of aseptic transfer technique?
A.
to allow contamination
B.
none of these
C.
to prevent contamination
D.
to reduce contamination
Question #4
Where should Petri dish lids be placed during the aseptic transfer technique?
A.
in your hand, facing down
B.
on the table, facing up
C.
in your hand, facing up
D.
on the table, facing down
Question #5
Which of the following best describes contamination?
A.
oxygen free
B.
presence of microorganisms
C.
presence of carbon dioxide
D.
presence of oxygen
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