Lab Safety Quiz Flashcards

Questions and Answers

What are the four ways that chemicals can enter students' bodies?

Inhalation

Ingestion

Injection

Absorption

All of the above (correct)

What does OSHA Standard intend to enhance?

Lab safety through better communication, training, and work practices.

How many safety plans has USC written according to the OSHA Standard?

Two

How can fires be prevented in the lab?

Use the smallest quantities of flammable solvents practicable Signup and view all the answers

What kind of safety glasses should you choose?

Safety glasses with both side shields and top shields. Signup and view all the answers

You must wear safety glasses and goggles at all times in the lab.

True Signup and view all the answers

Why are contact lenses not suggested in the lab?

They can damage your eyes if chemical reagents come into contact with them. Signup and view all the answers

What should you do if you break your glassware or spill chemicals in the lab?

Tell your TA. Signup and view all the answers

What should you do if there is a bench fire?

Alert anyone in your lab, smother the fire with an extinguisher, and exit the building safely. Signup and view all the answers

How does a fire extinguisher stop a fire from continuing to burn?

By cooling the burning fuel and removing oxygen. Signup and view all the answers

What does P.A.S.S. stand for in fire extinguisher usage?

Pull, aim, squeeze, sweep. Signup and view all the answers

We write ___ on the chemical containers.

Proper Handling, Storage, Emergency Response Signup and view all the answers

What should be used as an absorbent for cleaning up acidic or basic spills?

Amphoteric substances like sodium bicarbonate or baking soda. Signup and view all the answers

What is the on-campus emergency response number?

7-9111 Signup and view all the answers

Most safety practices in the organic lab are based on what?

Common sense. Signup and view all the answers

If you miss a lab, what is required?

A valid USC excuse and notification to your TA and Dr. Indika. Signup and view all the answers

What is the proper chain of command to follow if you have any problems in the lab?

TA, Lab Instructor, Lab Director. Signup and view all the answers

What should you do before leaving the lab?

Clean glassware, wrap cords, wipe down bench tops, check common areas, and raise your hand for TA check-out. Signup and view all the answers

Study Notes

Chemical Exposure Routes

Inhalation: Ensure good ventilation using a fume hood.
Ingestion: Prohibit eating or drinking in labs; wash hands after leaving.
Injection: Utilize a broom and dustpan for cleaning broken glass.
Absorption: Wear appropriate gloves and eyewear.

OSHA Standards

Aim to improve laboratory safety through enhanced communication, training, and work practices.
USC has implemented two safety plans: Chemical Hygiene Plan and Exposure Control Plan.

Fire Prevention

Use minimal quantities of flammable solvents.
Store flammable solvents in designated cabinets.
Keep flammable materials away from ignition sources.

Safety Glasses Guidelines

Choose safety glasses with side and top shields for comprehensive protection.
Safety glasses and goggles must be worn at all times in the lab.

Contact Lenses Precautions

Contact lenses can cause eye damage from chemical reagents; a waiver must be signed to wear them.

Response to Accidents

In case of broken glass or chemical spills, immediately inform your TA for cleaning.

Fire Response Steps

Alert lab personnel of a fire emergency.
Smother flames with a fire extinguisher aimed at the base of the fire.
Evacuate via the nearest exit, staying on the exit side of the fire.

Understanding Combustion

Fire extinguishers work by cooling the fuel and restricting oxygen to prevent continued burning.

Fire Extinguisher Technique (P.A.S.S.)

P: Pull the safety pin.
A: Aim at the base of the flames.
S: Squeeze the trigger.
S: Sweep side to side.

Chemical Container Labels

Proper labeling includes guidance on handling, storage, and emergency response.

Spill Clean-Up Procedures

Use amphoteric substances (like sodium bicarbonate) to absorb acidic or basic spills.

Campus Emergency Information

The emergency response number on campus is 7-9111.

Safety Practices

Most laboratory safety measures are based on common sense.

Lab Absence Policy

Valid USC excuses are required for missed labs; notify TA and Dr. Indika beforehand.

Chain of Command for Lab Issues

Follow this hierarchy for addressing lab problems: TA ➝ Lab Instructor ➝ Lab Director.

Lab Clean-Up Protocol

Clean glassware and organize items in drawers.
Wrap up electrical cords safely.
Wipe down the bench top and check surrounding areas before leaving.
Raise your hand for TA checkout confirmation.

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Description

Test your understanding of essential lab safety practices with these flashcards. Learn about the four ways chemicals can enter your body and how to protect yourself while working in the lab. This quiz also covers important OSHA standards for safe laboratory environments.