Lab Safety Review Quiz - Lab Flow
A student removes a chemical sample from a reagent bottle to be used in an
experiment. What should he do with any excess chemical remaining from this
sample after the experiment is complete?
Select one:
Check and see if anyone else can use the chemical. If not, discard in the proper
waste container.
Conduct a second trial of the experiment with the excess chemical.
Discard the chemical down the sink under running water.
Clean a spatula thoroughly, then use it to add the chemical back into the reagent
bottle. - ANS - Check and see if anyone else can use the chemical. If not, discard
in the proper waste container.
\All lab participants must remain prepared to use safety equipment in case of
emergency. Identify the components of effective preparation.
Select one or more:
Being familiar with how safety equipment is used
Researching alternatives to the safety equipment available in lab
Practicing with safety equipment before the start of each lab session
Knowing what safety equipment is available
Understanding where the safety equipment is located - ANS - Being familiar with
how safety equipment is used
Knowing what safety equipment is available
Understanding where the safety equipment is located
\Changing gloves often will minimize the spread of chemicals. To properly
remove gloves, first, ___, and then ___. Then first ___ between the interior edge
of the second glove and the skin, and remove the second glove. - ANS - grasp the
exterior of one glove with a gloved hand
peel of the first glove
a bare finger
\Determine the best way to deal with each of the following items that may dangle
into the way during lab work.
, flowy sleeves
long hair
long earrings
long necklaces
loose bracelets - ANS - flowy sleeves = tie back or secure
long hair = tie back or secure
long earrings = remove
long necklaces = remove
loose bracelets = remove
\Determine the safest option in the lab if you need your vision to be corrected.
Select one:
Wear safety goggles while working and switch to corrective glasses when you
need to read something
Wear safety goggles without any corrective lenses for the whole experiment
Wear your corrective glasses or lenses as normal for the whole experiment
Wear corrective glasses or lenses under your safety goggles for the whole
experiment, but always check with your TA or Instructor for your school's policy -
ANS - Wear corrective glasses or lenses under your safety goggles for the whole
experiment, but always check with your TA or Instructor for your school's policy
\Determine when to put on disposable gloves for work in the lab.
Select one:
After cleaning all the glassware for the experiment
Before entering the laboratory room
After setting up all the glassware but before handling chemicals
Before handling any glassware or chemicals for the experiment - ANS - Before
handling any glassware or chemicals for the experiment
\Determine when you should remove your goggles in the lab room.
Select one:
When you have finished cleaning up your chemicals and glassware
Whenever your goggles become foggy or uncomfortable
Whenever you need to lean in close to get a volume reading
When everyone in the room is done handling any chemicals or glassware - ANS -
When everyone in the room is done handling any chemicals or glassware
A student removes a chemical sample from a reagent bottle to be used in an
experiment. What should he do with any excess chemical remaining from this
sample after the experiment is complete?
Select one:
Check and see if anyone else can use the chemical. If not, discard in the proper
waste container.
Conduct a second trial of the experiment with the excess chemical.
Discard the chemical down the sink under running water.
Clean a spatula thoroughly, then use it to add the chemical back into the reagent
bottle. - ANS - Check and see if anyone else can use the chemical. If not, discard
in the proper waste container.
\All lab participants must remain prepared to use safety equipment in case of
emergency. Identify the components of effective preparation.
Select one or more:
Being familiar with how safety equipment is used
Researching alternatives to the safety equipment available in lab
Practicing with safety equipment before the start of each lab session
Knowing what safety equipment is available
Understanding where the safety equipment is located - ANS - Being familiar with
how safety equipment is used
Knowing what safety equipment is available
Understanding where the safety equipment is located
\Changing gloves often will minimize the spread of chemicals. To properly
remove gloves, first, ___, and then ___. Then first ___ between the interior edge
of the second glove and the skin, and remove the second glove. - ANS - grasp the
exterior of one glove with a gloved hand
peel of the first glove
a bare finger
\Determine the best way to deal with each of the following items that may dangle
into the way during lab work.
, flowy sleeves
long hair
long earrings
long necklaces
loose bracelets - ANS - flowy sleeves = tie back or secure
long hair = tie back or secure
long earrings = remove
long necklaces = remove
loose bracelets = remove
\Determine the safest option in the lab if you need your vision to be corrected.
Select one:
Wear safety goggles while working and switch to corrective glasses when you
need to read something
Wear safety goggles without any corrective lenses for the whole experiment
Wear your corrective glasses or lenses as normal for the whole experiment
Wear corrective glasses or lenses under your safety goggles for the whole
experiment, but always check with your TA or Instructor for your school's policy -
ANS - Wear corrective glasses or lenses under your safety goggles for the whole
experiment, but always check with your TA or Instructor for your school's policy
\Determine when to put on disposable gloves for work in the lab.
Select one:
After cleaning all the glassware for the experiment
Before entering the laboratory room
After setting up all the glassware but before handling chemicals
Before handling any glassware or chemicals for the experiment - ANS - Before
handling any glassware or chemicals for the experiment
\Determine when you should remove your goggles in the lab room.
Select one:
When you have finished cleaning up your chemicals and glassware
Whenever your goggles become foggy or uncomfortable
Whenever you need to lean in close to get a volume reading
When everyone in the room is done handling any chemicals or glassware - ANS -
When everyone in the room is done handling any chemicals or glassware
