MICROBIOLOGY LAB FINAL EXAM 2025/2026 – 2 COMPLETE
VERSIONS | ACTUAL EXAM QUESTIONS AND ANSWERS |
FREQUENTLY TESTED Qs | EXPERT VERIFIED STUDY
GUIDE | GUARANTEED PASS A+
According to the lab standard operating procedures, you must wash your
hands with soap and water for at least _________ before leaving the lab.
A)
2 seconds
B)
5 seconds
C)
15 seconds
D)
30 seconds
E)
1 minute - ANSWER-C)
15 seconds
Which of the following statements does NOT correctly describe a rule that
you must follow in the microbiology lab?
A)
There is no eating or drinking allowed in the microbiology lab.
B)
If you spill a bacterial culture on your lab coat, you must report it to your
demonstrator.
C)
You must disinfect your workbench before and after each microbiology lab.
D)
No personal effects are allowed in the lab. You must find somewhere else
to leave your winter jacket, textbooks, backpacks etc. while you attend the
lab.
E)
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None of the above. (All of the above statements correctly describe a rule
that must be followed in the microbiology lab) - ANSWER-E)
None of the above. (All of the above statements correctly describe a rule
that must be followed in the microbiology lab)
Which of the following statements correctly describe the lab coat policy in
place in the microbiology lab?
A)
You must wear a buttoned lab coat at all times when working in the
microbiology lab.
B)
Between labs your lab coat should be washed separately from other
clothes with detergent and bleach.
C)
When you take your lab coat home to wash it you should carry it in a plastic
bag to keep it separate from your other belongings.
D)
Your lab coat cannot be worn in any other lab until it has been washed.
E)
All of the above statements are true. - ANSWER-E)
All of the above statements are true.
Which of the following statements best explains why you should never wear
your microbiology lab coat in the hallways, either before or after a lab?
(Even if it's clean.)
A)
Because your lab coat is likely to be contaminated with dangerous
pathogens after a microbiology lab, and you may spread them out into the
hallway
B)
Because you may pick up harmful microbes from the hallway and bring
them into the lab on your lab coat
C)
Because the other people in the hallway don't know whether or not your lab
coat is contaminated with dangerous microorganisms
D)
None of the above. You shouldn't wear your lab coat in the hallway after a
microbiology lab. But if your lab coat is clean, it's fine to wear it in the
hallway before the lab begins - ANSWER-C)
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Because the other people in the hallway don't know whether or not your lab
coat is contaminated with dangerous microorganisms
According to the standard operating procedures in your lab manual, what
special precaution should be taken when working with level 2 bacterial
cultures?
A)
You must wear disposable gloves.
B)
You must wear a respirator and safety goggles.
C)
You must wear a full biosafety containment suit. (Like the kind they wear in
zombie movies)
D)
You should not work with level 2 cultures. Level 2 cultures present a
serious risk to human health and should only be handled by trained
professionals. - ANSWER-A)
You must wear disposable gloves.
True or False: The microbiology lab is registered as a BSL-2 lab because
all bacteria are considered to be risk group 2 microorganisms. - ANSWER-
False
Because we work with live cultures in the microbiology lab, it is very
important that all of our used materials be discarded in the correct way.
Match each of the following used items with the proper discard location.
Answers may be used more than once.
Paper towels used to disinfect the workbench
Disposable gloves
Used Petri plates
Swabs used to inoculate a Petri plate
Used glass microscope slides
1. In the large biohazard bin that sits beside the door
2. Sharps/broken glass discard container
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3. In the regular waste paper baskets
4. It doesn't matter where you discard this item, because if you put it in the
wrong place, someone in charge will just move it to the right location
anyway. - ANSWER-__3__ Paper towels used to disinfect the workbench
__1__ Disposable gloves
__1__ Used Petri plates
__2__ Swabs used to inoculate a Petri plate
__2__ Used glass microscope slides
Choose all of the statements that are TRUE. (Note: this is a multiple select
question. You must choose all of the true statements to get the question
correct.)
A)
Paper towels used to disinfect the workbench must be disposed of in the
biohazard bin
B)
Liquid cultures in glass test tubes should be poured down the sink with
plenty of running water, and then the test tubes should be placed on the
glassware trolley
C)
Gloves must always be disposed of in the biohazard bin (even if they
weren't used to handle anything biohazardous)
D)
Swabs, toothpicks, disposable plastic pipettes and anything else even
remotely pointy should always be discarded in the sharps/broken glass
container - ANSWER-C)
Gloves must always be disposed of in the biohazard bin (even if they
weren't used to handle anything biohazardous)
D)
Swabs, toothpicks, disposable plastic pipettes and anything else even
remotely pointy should always be discarded in the sharps/broken glass
container
What should you do if you accidentally spill a culture in the microbiology
lab? (This is a multiple select question, choose all that apply.)
A)
Stop, and think about what the potential hazards are and how to deal with
them in a logical order.
B)
Ask a TA for help cleaning the spill if there is broken glass involved.