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Lab Safety
Test Description: Reinforce proper lab safety techniques
Instructions: Answer all questions to get your test result.
1) A small chemical spill in the lab is cleaned up by using paper towels. Where should the dirty paper towels be placed?
A
in the sink
B
in the chemical waste container
C
in the wastebasket
D
in the hazardous waste container
2) Which list best describes what should be worn by students in a biology lab where pouring chemicals into beakers is involved?
A
a lab coat, safety glasses, protective gloves, and closed shoes
B
a lab coat, safety glasses, protective gloves, and sandals
C
a long-sleeved shirt, safety glasses, protective gloves, and closed shoes
D
a long-sleeved shirt, safety glasses, protective gloves, and sandals
3) Which is a safe practice for handling chemicals in a lab investigation?
A
Tell the teacher about any chemicals that were spilled in a lab.
B
Place beakers of chemicals near the edge of the counter.
C
Identify chemicals by smelling and tasting them.
D
Dispose of all chemicals down the sink with a lot of water.
4) Which waste items should always be discarded in the hazardous waste container?
A
pieces of glass
B
bacterial cultures
C
plant specimens
D
all chemicals
5) Which safe practice is part of using aseptic technique?
A
using a safety shower to wash chemicals off skin and clothing
B
wearing protective gloves when transferring bacteria and fungi to slides
C
folding and tying up the electric cord of a microscope before carrying it
D
using tongs and a hot mitt to remove a beaker of hot water from a hot plate
6) Jacob is unsure about how to focus a slide under the microscope. What would be Jacob’s best course of action?
A
Use the trial-and-error method until the slide focuses.
B
Ask his lab partner for instructions.
C
Ask the teacher for instructions
D
Watch another student, and copy what he or she does.
7) Living plants may be valuable additions to science classrooms. Which is the most important safety consideration when planning to grow plants in a classroom?
A
Who will take care of the plants in the room?
B
How much light will the plants need to grow?
C
What type of plant food will the plants need?
D
Do the plants have any poisonous parts?
8) How can a liquid be drawn into a pipette safely?
A
by squeezing a bulb attached to the wide end of the pipette
B
by using an eyedropper to drip the liquid into the pipette
C
by using a beaker to pour the liquid into the pipette
D
by gently sucking the wide end of the pipette until the liquid rises up
9) Suppose that Louisa is cut by broken glass during a lab accident. Which is the proper place to dispose of the paper towels that are used to clean up the blood?
A
classroom waste container
B
hazardous waste container
C
spilled chemicals container
D
broken glass container
10) Which statement describes the best way to prepare a microscope for safe transport back to a storage area?
A
Raise the stage of the microscope until it touches the objective.
B
Put a cover over the microscope.
C
Set the microscope to the high-power objective position.
D
Wrap the electrical cord around the arm of the microscope.
*select an answer for all questions
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