LAB SAFETY REVEIWPAY VERY CLOSE ATTENTION

Approved eye protection devices (like goggles) are used in the laboratory…

• A) to avoid eye strain• B) to wear only if you don’t have

corrective lenses• C) any time chemicals, heat, or

glassware are used

After completing an experiment, all chemical wastes should be…

• A) left in the lab station for the next class

• B) dumped in the sink• C) disposed of according to your

instructor’s directions

You have been injured in the Lab (cut, burn, etc.). First you should…

• A) tell the science instructor at once• B) apply first aid yourself• C) ask to see a nurse

Spilled acid should be neutralized with…

• A) Paper Towels• B) Alcohol• C) water

You are heating a substance in a test tube. Always point the open end of the tube…

• A) towards no other person• B) towards yourself• C) towards your lab partner

When examining glassware and equipment for an experiment, you should…

• A) Read all directions carefully to know which equipment is necessary

• B) Examine all glassware for chips or cracks

• C) clean any glassware if necessary • D) All of the above

Eye glasses provide as much protection as..

• A) a face shield• B) Splash proof chemical goggles• C) none of the above

Long Hair in the laboratory must be…

• A) cut short• B) held back with one hand• C) tied back or kept entirely out of the

way with a hair clip or other confining device

The following footwear is best in the lab:

• A) closed shoes• B) sandals• C) Open-toed shoes

In a lab, you should be cautious of…

• A) loose clothing• B) dangling jewelry• C) flammable clothing• D) all of these

When you finish working with chemicals or other lab substances, always….

• A) wash your hands thoroughly with soap and water

• B) treat hands with skin lotion• C) wipe your hands on a towel

If an acid is splashed on your skin or clothing…

• A) wash it at once with a weak base• B) wash it at once with plenty of water• C) cover it with oil• D) immediately apply lotion

Flammable materials like alcohol should never be dispensed or used near….

• A) an open door• B) an open flame• C) another student

You have just heated a beaker of water to the boiling point. You need to pour the boiling water into another beaker.

• A) Pick up the beaker by the rim because it won’t be that hot there

• B) touch the side of the beaker quickly to see if it is too hot to pick up by hand

• C) use a paper towel• D) use a rubber hot pad to pick up the

hot beaker

If you are told to dilute some acid…

• A) pour the acid into water• B) pour the water into the acid• C) It doesn’t matter how you mix them

Which is not an important part of the personal protective equipment that must always be worn in the lab?• A) safety goggles• B) gas respirator• C) closed-toed shoes

Why is food or drink not allowed in the lab?

• A) it can mix with chemicals and ruin the experiment

• B) it can easily spill and cause fire or other hazardous conditions

• C) it can easily become contaminated and cause you to ingest chemicals

What does MSDS stand for?

• A) Material Safety Data Sheet• B) Most Safety Details for Science• C) Mechanical Strategies and Details

for Safety

Which step is not necessary in the event of a fire alarm or drill during a lab?

• A) turn off all burners• B) close all chemical containers• C) turn off all electrical equipment• D) wash all chemicals down the drain

If chemicals are splashed on the skin or in the eyes, how long should you wash the affected area with water?• A) less than 5 minutes• B) 10-15 minutes• C) 15-20 minutes• D) until the area appears clean

What is the best way to put out a fire in a person’s hair or clothing?

• A) use the safety shower• B) use the fire blanket• C) use the sink or splash water on the

person

Why is it necessary to report all accidents to the teacher?

• A) so that chemicals are cleaned up correctly

• B) so that injuries are treated correctly• C) so that any waste can be disposed

of correctly• D) all of the above

Which is not an important piece of lab safety equipment?

• A) Bunsen burner• B) Fire Extinguisher• C) Eye wash station

If you accidently break a piece of glassware…

• A) pick up the pieces with your hands• B) Sweep the pieces up and put them

in the trash can• C) Sweep the pieces up and put them

in the designated glass disposal container

If you do not understand a direction or part of the lab procedure, you should…

• A) figure it out yourself• B) ask the instructor before proceeding• C) try several methods until something

works