Lab Safety Quiz

Horseplay is allowed a) before anyone has begun the experiment. B) when the instructor isn't looking. C) never. D) after the lab is finished.

C) never.

In the lab you should wear a) practical, protective clothing. b) something fashionable. c) shorts and loose sleeve shirts. d) your best jewelry.

a) practical, protective clothing.

Before starting an experiment, a) read the entire procedure. b) ask your lab partner how to do the experiment. c) skip to the report section and try to figure out what to do. d) just do what the other students are doing.

a) read the entire procedure.

When is it alright to taste a chemical? a) Never. b) When the chemical is not hazardous. c)When you use a clean beaker. d) When you are thirsty.

a) Never.

In the laboratory, open-toed shoes a) are potentially dangerous and should not be worn. b) are OK if the weather is hot. c) are alright if you are wearing a lab coat. d) are OK if they are in style.

a) are potentially dangerous and should not be worn

If you need to smell a chemical, you should place the tube close to your nose and inhale deeply. a) place tube close to your nose and inhale deeply. b) Take a breath of air and fan the vapors towards you. c) put some of the chemical in your hand and smell it. d) place the tube under your lab partner's nose and let him or her smell it.

b) Take a breath of air and fan the vapors towards you.

If a chemical is spilled on your skin, you should a) wait to see if it stings b) flood the area with water for 10 minutes c) wipe it off with a paper towel d) add a base to neutralize it

b) flood the area with water for 10 minutes

You should wash your hands a) before you leave the lab. b) only before the lab. c) only if they are dirty. d) before eating lunch in the lab.

a) before you leave the lab.

Eating or drinking in the laboratory is a) not permitted under any circumstances. b) allowed only during lunch. c) allowed only during the break. d) all right if you are careful.

a) not permitted under any circumstances

All hazardous waste should be a) placed in a special waste container. b) washed down the drain. c) placed in the wastebasket. d) stored in your lab drawer.

a) placed in a special waste container.

If a chemical is spilled on the table a) tell your lab instructor and get it cleaned it up right away. b) let the stockroom personnel deal with it. c) leave it alone and continue your work. d) let it evaporate if it is volatile.

a) tell your lab instructor and get it cleaned it up right away.

If you have long hair, you should a) tie it back before performing lab work. b) ask your lab partner to cut your hair shoulder-length. c) try to keep your hair from interfering with lab work. d) do nothing, as it is does not create a hazard.

a) tie it back before performing lab work.

If your hair or shirt catches on fire, you should a) use the safety shower to extinguish the flames. b) run to the nearest exit. c) just let it burn out. d) use the fire extinguisher to put it out.

a) use the safety shower to extinguish the flames.

A liquid is taken into a pipet a) using a pipet bulb or pipet pump. b) using your mouth to fill the pipet. c) by using a dropper to fill the pipet from the top. d) all of the above options are OK.

a) using a pipet bulb or pipet pump.

When heating liquids in a test tube, you should hold the tube still and place the bottom of the tube in the center of the flame. a) hold the tube still and place the bottom of the tube in the center of the flame. b) move the tube back and forth through the flame and heat near the surface of the liquid. c) look directly into the open end of the test tube to see what is happening. d) hold it tightly in your hand so it will not fall and break.

b) move the tube back and forth through the flame and heat near the surface of the liquid.

Working alone in the laboratory without supervision is a) all right if the experiment is not too hazardous. b) not allowed. c) allowed if you are sure you can complete the experiment without help. d) OK if it is a make-up lab.

b) not allowed.

When taking liquids from a reagent bottle, a) use your pipet to remove it directly from the container. b) pour the reagent into a small container before using it. c) put back what you did not use. d) discard any leftover in the sink.

b) pour the reagent into a small container before using it.

After you use a reagent bottle, a) keep it at your desk in case you need more. b) return the bottle to its proper location. c) play a joke on your friends and hide it. d) leave it open for convenience.

b) return the bottle to its proper location.

Experiments that involve chemicals with irritating vapors a) can be performed in the lab if you hold the chemical away from your face. b) should be performed in the fume hood. c) should be performed out in the hall. d) are OK if the vapors do not smell bad.

b) should be performed in the fume hood.

Personal items (books, sweaters, etc.) should be a) kept on your lab bench. b) stored out of the way, not on the lab bench. c)left outside in the hall. d) kept in the fume hood.

b) stored out of the way, not on the lab bench.

If mercury is spilled, a) pick it up with a dropper. b) leave it alone if it is only a small amount. c) call your instructor. d) push it under the table where no one can see it.

c) call your instructor.

When you have taken too much of a chemical, you should a) return the excess to the reagent bottle. b) store it in your lab drawer for future use. c) discard it using proper disposal procedures. d) pour it down the sink.

c) discard it using proper disposal procedures

Unauthorized experiments are a) all right as long as they do not seem hazardous. b) all right as long as no one finds out. c) not allowed. d) all right as long as another student is there.

c) not allowed.

If a chemical is splashed into your eye, you should a) not worry if it does not sting. b) rinse your eyes with water after the lab is finished. c) use the eyewash fountain to wash your eyes for ten minutes. d) put on your safety glasses or goggles and finish the lab.

c) use the eyewash fountain to wash your eyes for ten minutes.

Approved eye protection is to be worn a. for certain experiments b. for hazardous experiments only c. only when the teacher says so d. all the time

d. all the time