Exam (elaborations)
Understanding Basic Lab Safety Exam 2025/2026 Questions With Completed & Verified Solutions.
Understanding Basic Lab Safety Exam 2025/2026 Questions With Completed & Verified Solutions.
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Understanding Basic Lab Safety1) If you drop or break glassware in lab, first ___________
2) Then, ______________________
3) Finally, place all that material into the ____________________ - ANS - 1) If you
drop or break glassware in lab, first get thick gloves or dustpan .
2) Then, carefully collect all the broken glassware.
3) Finally, place all that material into the broken glass container.
\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? - 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: - ANS - - Knowing what safety equipment is available
- Understanding where the safety equipment is located
- Being familiar with how safety equipment is used
\Changing gloves often will minimize the spread of chemicals. To properly
remove gloves, first, ____________, and then, ____________ . Then insert
__________ between the interior edge of the second glove and the skin, and
remove the second glove. - ANS - 1) grasp the exterior of one glove with a gloved
hand
2) peel off the first glove
3) a bare finger
\Corrosive Chemical - ANS - Has a hand in it
\Determine the best way to deal with each of the following items that may dangle
into the way during lab work.
1) Long Necklace
2) Loose Bracelet
3) Long hair
4) Flowy Sleeves
5) Long Earrings - ANS - 1) Long Necklace: Remove
2) Loose Bracelet: Remove
3) Long hair: Tie Back or Secure
4) Flowy Sleeves: Tie Back or Secure
5) Long Earrings: Remove
, \Determine the safest option in the lab if you need your vision to be corrected. -
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: - ANS - Before handling any glassware or chemicals for the
experiment
\Determine when you should remove your goggles in the lab room.
Select one: - ANS - When everyone in the room is done handling any chemicals or
glassware
\Determine where to dispose of each type of waste.
1) Unused solid reagent: __________________
2) Broken Flask: ________________
3) Syringe Tips: __________________
4) Titrant Solution: ________________ - ANS - 1) Unused solid reagent: Solid
Waste Container
2) Broken Flask: Box lined with puncture resistant bag3) 3) Syringe Tips: Sharps
container
4) Titrant Solution: Nalgene bottle with cap
\Exit Sign - ANS - person running with an arrow going to the right
\eye wash station - ANS - Green with an eye on it
\Fill in the words to complete each step in liquid spill cleanup. - ANS - 1. Surround
the area with absorbent material, then cover the spill.
2. Scoop up the material and place in a plastic bag.
3. Place the bagged waste in a solid waste container.
4. Wipe down the area with detergent and water.
\Flammable Chemical - ANS - Has fire in it
\Gas cylinder - ANS - rod inside red diamond
\has a flash point below room temperature - ANS - Blue: 2
Red: 4
Yellow: 0
White: Cor
\How should spill cleaning materials be discarded?
Select one: - ANS - Seal in a labeled plastic bag, then place in the solid waste
container.
\Identify the precautions to take with exits in the lab.
Select one or more: - ANS - - Locate the exits prior to the start of lab.
- Do not block a door with an EXIT sign.
\Identify the types of information that are necessary to communicate with
emergency responders.
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