MCB 2610 Lab Quizzes Week 2 - Week 7
The ________ method is a quick and easy way to isolate bacteria. - correct
answer ✔T-streak
How many times do you get culture from the tube while performing a T-
streak? - correct answer ✔1
Who do you contact to reschedule a lab? - correct answer ✔Dr. Intrieri
(T/F) The culture tubes are disposed of in the gray trash bins. - correct
answer ✔False
What is the first thing you do after a spill? - correct answer ✔Tell TA
Which of the following is indirect mode of transmission - an insect, a
cellphone, or a sneeze? - correct answer ✔Cellphone
What is the last thing you do before leaving lab? - correct answer ✔Wash
hands
Where are petri dishes disposed of? - correct answer ✔Grey bins
Where are slides disposed of? - correct answer ✔Sharps
What must you do to the loop before every use? - correct answer
✔Sterilize/flame
, (T/F) When making a smear of the culture, you heat fix the slide before air
drying it completely - correct answer ✔False
(T/F) Wiping down the bench with Wescodyne is the last thing you do when
leaving the lab. - correct answer ✔False
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 and appear purple
are said to be Gram ______. - correct answer ✔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 and appear
pink are said to be Gram ______. - correct answer ✔Negative
What is the purpose of soaking the slide in iodine? - correct answer
✔Mordant for Crystal Violet
(T/F). The first thing you do before leaving lab is dispose of all culture tubes -
correct answer ✔True
Why do you inoculate plates and tubes near the Bunsen burner? - correct
answer ✔Prevent airborne contamination
(T/F) Gram stains and spore stains are examples of simple stains. - correct
answer ✔False
The ________ method is a quick and easy way to isolate bacteria. - correct
answer ✔T-streak
How many times do you get culture from the tube while performing a T-
streak? - correct answer ✔1
Who do you contact to reschedule a lab? - correct answer ✔Dr. Intrieri
(T/F) The culture tubes are disposed of in the gray trash bins. - correct
answer ✔False
What is the first thing you do after a spill? - correct answer ✔Tell TA
Which of the following is indirect mode of transmission - an insect, a
cellphone, or a sneeze? - correct answer ✔Cellphone
What is the last thing you do before leaving lab? - correct answer ✔Wash
hands
Where are petri dishes disposed of? - correct answer ✔Grey bins
Where are slides disposed of? - correct answer ✔Sharps
What must you do to the loop before every use? - correct answer
✔Sterilize/flame
, (T/F) When making a smear of the culture, you heat fix the slide before air
drying it completely - correct answer ✔False
(T/F) Wiping down the bench with Wescodyne is the last thing you do when
leaving the lab. - correct answer ✔False
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 and appear purple
are said to be Gram ______. - correct answer ✔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 and appear
pink are said to be Gram ______. - correct answer ✔Negative
What is the purpose of soaking the slide in iodine? - correct answer
✔Mordant for Crystal Violet
(T/F). The first thing you do before leaving lab is dispose of all culture tubes -
correct answer ✔True
Why do you inoculate plates and tubes near the Bunsen burner? - correct
answer ✔Prevent airborne contamination
(T/F) Gram stains and spore stains are examples of simple stains. - correct
answer ✔False
