LS23L - Week 2 (Epidemiology) Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
According to the lab safety True
sheet, the bacteria used in the
epidemiology activity is
considered a BSL Risk Group 1
agent and is not associated
with disease in healthy adult
humans.
What is the minimum volume 20ul
you can safely and accurately
pipet with a p200 pipetter?
Which of the following factors Infrastructure present in a nation
is mentioned as contributing Natural environment of a region
to the spread of a disease? Genetic background of a population
Cultural and social practices
How many rounds of 4
handshaking will the
epidemiology exercise have?
Why do we use disposable Disposable tips ensure maximum safety
tips for pipetting? (check all for the user
that apply) Disposable tips ensure no cross
contamination between samples
, Which of the following When drawing up the sample liquid into
techniques of handling a the pipet make sure that you are holding
pipetter is incorrect: the pipetter horizontally so as to
maximize the flow of liquid into the tip.
If you are to measure 55 uL of p200: 055
a liquid for an experiment,
which pipette should you use
and what value should be
displayed on its window?
Which pipette is 330 microliters P200 pipette
INCORRECTLY paired with the
amount of liquid to be
aspirated?
Why does all the equipment It is unknown which sponge is infected,
from the epidemiology lab get so they must all be discarded equally.
thrown into the autoclave
waste as opposed to the
regular waste?
Questions and Answers with Verified
Solutions | Latest Updated 2026
According to the lab safety True
sheet, the bacteria used in the
epidemiology activity is
considered a BSL Risk Group 1
agent and is not associated
with disease in healthy adult
humans.
What is the minimum volume 20ul
you can safely and accurately
pipet with a p200 pipetter?
Which of the following factors Infrastructure present in a nation
is mentioned as contributing Natural environment of a region
to the spread of a disease? Genetic background of a population
Cultural and social practices
How many rounds of 4
handshaking will the
epidemiology exercise have?
Why do we use disposable Disposable tips ensure maximum safety
tips for pipetting? (check all for the user
that apply) Disposable tips ensure no cross
contamination between samples
, Which of the following When drawing up the sample liquid into
techniques of handling a the pipet make sure that you are holding
pipetter is incorrect: the pipetter horizontally so as to
maximize the flow of liquid into the tip.
If you are to measure 55 uL of p200: 055
a liquid for an experiment,
which pipette should you use
and what value should be
displayed on its window?
Which pipette is 330 microliters P200 pipette
INCORRECTLY paired with the
amount of liquid to be
aspirated?
Why does all the equipment It is unknown which sponge is infected,
from the epidemiology lab get so they must all be discarded equally.
thrown into the autoclave
waste as opposed to the
regular waste?
