MCB 2610 Lab Practical
The __________ method is a quick and easy way to isolate bacteria - correct
answer ✔streak plate
It is your responsibility to make certain that the bunson burner is set up
correctly and positioned to avoid burns and fires. - correct answer ✔True
What is the MOST likely mode of transmission (way agents can be transmitted
in the laboratory? - correct answer ✔Indirect transmission
in what orientation do you incubate the plates after they have been streaked?
- correct answer ✔agar half on top
what must you do to the loop before every use? - correct answer ✔flame
sterilize your loop
T/F: The last thing you do before leaving the lab is take off your lab coat -
correct answer ✔False
T/F: When performing a T-streak, the loop goes into the tube 3 times (once for
each section of the plate) - correct answer ✔False
T/F: You do not heat a pipette in the bunsen burner flame - correct answer
✔True
what is the first thing you should do following a spill? - correct answer ✔alert
TA
, Last thing you do before you leave the lab - correct answer ✔Wash hands
for least 20 seconds with soap and water
Who do you contact to reschedule a lab? - correct answer ✔one of your TAs
or lab supervisor (Gino)
Where do the test tubes get disposed of? - correct answer ✔Test tube waste
under sink
which of the following is an indirect mode of transmission? - correct answer
✔cell phone
T/F: When making a smear of the culture, you heat fix the slide before air
drying it completely - correct answer ✔False
T/F: Washing your hands is the last thing you do when you leave the lab -
correct answer ✔True
What is the magnification value of the ONLY objective lens that should come
in contact with immersion oil? - correct answer ✔100x
Pertaining to the Gram Stain, cells that retain crystal violet & appear purple
are said to be __________ - correct answer ✔Gram positive
T/F: your name, the date, and sample information goes on the lid of the agar
dish - correct answer ✔False
Pertaining to the Gram Stain, cells that do not retain crystal violet & appear
pink are said to be Gram ________ - correct answer ✔Negative
The __________ method is a quick and easy way to isolate bacteria - correct
answer ✔streak plate
It is your responsibility to make certain that the bunson burner is set up
correctly and positioned to avoid burns and fires. - correct answer ✔True
What is the MOST likely mode of transmission (way agents can be transmitted
in the laboratory? - correct answer ✔Indirect transmission
in what orientation do you incubate the plates after they have been streaked?
- correct answer ✔agar half on top
what must you do to the loop before every use? - correct answer ✔flame
sterilize your loop
T/F: The last thing you do before leaving the lab is take off your lab coat -
correct answer ✔False
T/F: When performing a T-streak, the loop goes into the tube 3 times (once for
each section of the plate) - correct answer ✔False
T/F: You do not heat a pipette in the bunsen burner flame - correct answer
✔True
what is the first thing you should do following a spill? - correct answer ✔alert
TA
, Last thing you do before you leave the lab - correct answer ✔Wash hands
for least 20 seconds with soap and water
Who do you contact to reschedule a lab? - correct answer ✔one of your TAs
or lab supervisor (Gino)
Where do the test tubes get disposed of? - correct answer ✔Test tube waste
under sink
which of the following is an indirect mode of transmission? - correct answer
✔cell phone
T/F: When making a smear of the culture, you heat fix the slide before air
drying it completely - correct answer ✔False
T/F: Washing your hands is the last thing you do when you leave the lab -
correct answer ✔True
What is the magnification value of the ONLY objective lens that should come
in contact with immersion oil? - correct answer ✔100x
Pertaining to the Gram Stain, cells that retain crystal violet & appear purple
are said to be __________ - correct answer ✔Gram positive
T/F: your name, the date, and sample information goes on the lid of the agar
dish - correct answer ✔False
Pertaining to the Gram Stain, cells that do not retain crystal violet & appear
pink are said to be Gram ________ - correct answer ✔Negative
