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Laboratory Safety Test

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
To extinguish a laboratory fire, you should know
a.
how to operate a fire extinguisher.
c.
who is responsible for using the extinguisher.
b.
where extinguishers are located.
d.
all of the above.
 

 2. 
Approved eye protection devices (like goggles) are used in the laboratory
a.
to avoid eye strain.
c.
to wear only if you don't have corrective glasses.
b.
to improve your vision.
d.
to wear at all times when so instructed to by the science teacher.
 

 3. 
If a laboratory fire erupts, notify your teacher at once and then
a.
follow the science teacher's directions.
c.
throw water on the fire.
b.
run for the fire extinguisher.
d.
open the windows.
 

 4. 
Acid dilutions, with few exceptions, should be done by
a.
lab assistants.
c.
science instructor.
b.
students.
d.
school principal.
 

 5. 
Flammable materials like alcohol should never be dispensed or used near
a.
an open door.
c.
another student.
b.
an open flame.
d.
a sink.
 

 6. 
If you develop a  headache or feel dizzy in the laboratory, you should
a.
take an aspirin.
c.
tell your neighbor.
b.
tell the science instructor.
d.
grin and bear it.
 

 7. 
If you wear eye contact lenses in the science laboratory where chemicals are used,
a.
take them out before starting the lab.
c.
advise your science teacher that you wear contact lenses and await instruction.
b.
you do don't have to wear protective goggles.
d.
keep the information to yourself.
 

 8. 
Cleaning u the laboratory is the responsibility of
a.
students leaving the laboratory.
c.
all students.
b.
students entering the laboratory.
d.
the science teacher.
 

 9. 
You are aware that you have allergies.  You should
a.
always wear gloves in the laboratory.
c.
let another student handle the experiment.
b.
discuss the matter with your science teacher.
d.
say nothing to avoid trouble.
 

 10. 
Spilled acid can best be neutralized with
a.
paper towels.
c.
alcohol.
b.
water.
d.
sodium bicarbonate solution.
 

 11. 
You are heating a substance in a test tube.  Always point the open end of the tube
a.
towards yourself.
c.
towards another classmate.
b.
towards your lab partner.
d.
towards no other person.
 

 12. 
You are heating a piece of glass and now want to pick it up.  You should
a.
use a rag or paper towels.
d.
pour cold water on it.
b.
use tongs.
e.
either b or c.
c.
wait until it cools.
 

 13. 
You have been injured in the laboratory (cut, burn, etc.). First you should
a.
ask to see the school nurse.
c.
tell the science teacher at once.
b.
see a doctor after school.
d.
tell the principal.
 

 14. 
A spilled base can be made safe by neutralizing with
a.
diluted acetic acid solution.
c.
concentrated acid.
b.
water.
d.
alcohol.
 

 15. 
Pipets are used to measure and dispense small amounts of liquids.  You should draw the liquid into the pipet by using
a.
your mouth.
c.
your finger.
b.
a rubber suction bulb.
d.
your thumb.
 

 16. 
You want to place a piece of glass tubing into a rubber stopper after  it has been fire polished and cooled.  This is best done by
a.
lubricating the tubing with water or glycerine.
d.
all of the above.
b.
using a towel for protection.
e.
none of the above.
c.
twisting the tubing and stopper carefully.
 

 17. 
Eyeglasses provide as much protection
a.
a face shield.
c.
splashproof chemical goggles.
b.
safety glasses.
d.
none of the above.
 

 18. 
Before you touch an electrical outlet, electrical plug or electrical switch
a.
ask the school custodian.
c.
your hands must be dry.
b.
your hands must be clean.
d.
ask a fellow student.
 

 19. 
Some alcohol has been spilled.  What is the best cleanup procedure?
a.
Let it evaporate.
d.
both B and C.
b.
Tell the science teacher.
e.
none of the above.
c.
Clean it up at once.
 

 20. 
Paper towels or rags with flammable liquids or solid chemicals on them must be put in
a.
the nearest trash can.
c.
a wastepaper basket.
b.
a cardboard box.
d.
a designated chemical waste container with a lid.
 

 21. 
Long hair in the laboratory must be
a.
cut short.
c.
always neatly groomed.
b.
held away from the experiment with one hand.
d.
kept entirely out of the way with a hair band, hairpins, a hairnet or other confining device.
 

 22. 
In a laboratory,  you should be cautious of
a.
loose clothing.
c.
flammable clothing.
b.
dangling jewelry.
d.
all of the above.
 

 23. 
The following footwear is best in the laboratory:
a.
sandals.
d.
shoes appropriate for the weather.
b.
open toed shoes.
e.
all of the above.
c.
closed shoes.
 

 24. 
Playing (as opposed to working) in the laboratory is
a.
always against the rules.
c.
not dangerous.
b.
okay.
d.
okay if you are working at the same time.
 

 25. 
Injuries and accidents may result from spills.  Always clean them up
a.
when you have time.
c.
at the end of class.
b.
at once.
d.
during clean up time.
 

 26. 
To put out a fire in a person's hair or clothing, use
a.
a fire blanket.
c.
a CO2 fire extinguisher.
b.
water from the sink.
d.
anything or any method possible.
 

 27. 
All laboratory floors, aisles and passageways should be kept clear of
a.
teachers and students.
c.
lab equipment only.
b.
lab equipment and chemicals.
d.
chemicals only.
 

 28. 
If a piece of equipment is not working properly, stop, turn it off, and tell
a.
the custodian.
c.
your best friend in the class.
b.
your lab partner.
d.
the science teacher.
 

 29. 
If a weak acid is splashed on you or your clothing, notify the teacher and then wash at once with
a.
hand sanitizer.
c.
a weak base followed by plenty of running water.
b.
oil.
d.
plenty of running water.
 

 30. 
When you finish working with chemical, biological specimens, and other lab substances, always
a.
treat you hand with skin lotion.
c.
wipe your hands on a towel.
b.
wash your hands thoroughly with soap and water.
d.
wipe your hands on your apron.
 

 31. 
After handling any reptile you should
a.
wipe your hands on a towel.
c.
sit in your seat.
b.
wash your hands with soap and water.
d.
wipe your hands on your pants.
 

 32. 
Horseplay in the science classroom is
a.
okay if you don't get caught.
c.
absolutely forbidden at all times.
b.
not encouraged.
d.
okay as long as there are no labs set up.
 

 33. 
For safety reasons, lab stools should be _______________ before you leave class each day.
a.
placed on top of lab table
c.
left in the middle of the walk way
b.
pushed under lab table
d.
turned upside-down
 

Problem
 

 34. 
On your test paper, draw a diagram of our science room and label the location of the safety equipment properly.  Hint: We discussed 12 safety items, name/identify at least 10. Neatness counts!
 



 
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