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

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
Which of the following best describes contamination?
A.   presence of carbon dioxide
B.   presence of oxygen
C.   oxygen free
D.   more than one of the above is correct
E.   presence of microorganisms
F.   none of the above is correct
Question #2
Which of the following would be the BEST time to label test tubes and Petri plates?
A.   more than one of the above is correct
B.   before you use them
C.   while you are using them
D.   after using them
E.   none of the above is correct
Question #3
You and your partner were talking during your aseptic transfer activity. You accidentally touch your hand with the flame loop while waiting for it to cool down. Fortunately, it the loop was cool to the touch and you did not burn yourself. What should you do in order to avoid contaminating the sterile media tube in your right hand?
A.   get a different flame loop
B.   nothing, bacteria cannot grow on the metal loop after it cools down
C.   start over by re-flaming the loop
D.   nothing, I showered that morning, my hand should be sterile
Question #4
Once inoculated with bacteria, how should agar Petri plates be incubated?
A.   upside down
B.   right side up
C.   sideways
D.   more than one of the above is correct
E.   none of the above is correct
Question #5
Which of the following best describes sterile media?
A.   media with low pH
B.   media free from living organisms
C.   media free from nutrients
D.   more than one of the above is correct
E.   none of the above is correct

Need help with your exam preparation?

Existing Quiz Clients Login here