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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 hazardous waste container
B
in the sink
C
in the wastebasket
D
in the chemical 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 long-sleeved shirt, safety glasses, protective gloves, and sandals
C
a long-sleeved shirt, safety glasses, protective gloves, and closed shoes
D
a lab coat, safety glasses, protective gloves, and sandals
3) Which is a safe practice for handling chemicals in a lab investigation?
A
Identify chemicals by smelling and tasting them.
B
Tell the teacher about any chemicals that were spilled in a lab.
C
Place beakers of chemicals near the edge of the counter.
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
all chemicals
B
plant specimens
C
bacterial cultures
D
pieces of glass
5) Which safe practice is part of using aseptic technique?
A
using tongs and a hot mitt to remove a beaker of hot water from a hot plate
B
using a safety shower to wash chemicals off skin and clothing
C
wearing protective gloves when transferring bacteria and fungi to slides
D
folding and tying up the electric cord of a microscope before carrying it
6) Jacob is unsure about how to focus a slide under the microscope. What would be Jacob’s best course of action?
A
Ask his lab partner for instructions.
B
Watch another student, and copy what he or she does.
C
Ask the teacher for instructions
D
Use the trial-and-error method until the slide focuses.
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
Do the plants have any poisonous parts?
B
What type of plant food will the plants need?
C
Who will take care of the plants in the room?
D
How much light will the plants need to grow?
8) How can a liquid be drawn into a pipette safely?
A
by gently sucking the wide end of the pipette until the liquid rises up
B
by squeezing a bulb attached to the wide end of the pipette
C
by using an eyedropper to drip the liquid into the pipette
D
by using a beaker to pour the liquid into the pipette
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
hazardous waste container
B
broken glass container
C
classroom waste container
D
spilled chemicals container
10) Which statement describes the best way to prepare a microscope for safe transport back to a storage area?
A
Put a cover over the microscope.
B
Set the microscope to the high-power objective position.
C
Raise the stage of the microscope until it touches the objective.
D
Wrap the electrical cord around the arm of the microscope.
*select an answer for all questions
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