Laboratory Safety Procedures and Protocols

What is the recommended attire for working in a laboratory?

• Tank tops, shorts, and sandals

• Long-sleeved shirts, long pants, and closed-toed shoes

• Muscle shirts and exposed midriffs

• Any clothing, as long as it's comfortable

What is crucial for eye safety in a laboratory setting?

• Wearing regular eyeglasses for protection

• Using an eyewash station only if you know what got into your eye

• Always wearing appropriate eye protection, such as safety goggles

• Relying on your lab partner to tell you if something gets in your eye

In the Hazardous Materials (HazMat) diamond, what does a "4" in the red section indicate?

• The substance is extremely toxic if inhaled.

• The substance is highly flammable and gaseous, making it difficult to control.

• The substance is highly reactive and capable of exploding at room temperature.

• The substance is corrosive and can cause severe burns.

What is the primary purpose of a fume hood in a laboratory?

• To maintain a comfortable temperature in the lab.

• To store chemicals safely.

• To suck out noxious fumes and prevent inhalation.

• To provide a clean workspace for experiments.

What is the correct method for smelling a chemical substance in a laboratory?

• Directly inhaling the fumes from the container.

• Wafting a small amount of vapor towards your nose.

• Placing your nose directly over the opening of the container.

• Using a fan to blow the fumes towards you.

Why is mouth pipetting strictly prohibited in a laboratory setting?

• It can cause the pipette to break.

• It is an inefficient way to transfer liquids.

• It poses a risk of ingesting hazardous chemicals.

• It can contaminate the sample with saliva.

What is the safest way to clean up broken glass in a laboratory?

• Picking up pieces with gloved hands.

• Sweeping with a broom and dustpan, then disposing in a sharps bin.

• Using a vacuum cleaner to collect all fragments.

• Flushing small pieces down the sink with water.

What is the general rule for disposing of chemical waste in a laboratory?

• All chemicals can be flushed down the sink with plenty of water.

• Dispose of chemicals in any available waste container.

• Always know the correct disposal method for a chemical before using it.

• Only dispose of chemicals after diluting them significantly.