When should you wear closed toed shoes in the lab quizlet?

When should you wear closed toed shoes in the lab quizlet?

You should always wear close-toed shoes in the lab to protect against spills or broken glass.

What should you do if you need to leave the laboratory temporarily in the middle of your work?

What should you do if you need to leave the laboratory temporarily in the middle of your work? Remove your lab coat and gloves. Why should you decontaminate your work area prior to beginning lab work? To prevent the potential transfer of microbes to you and your experiment.

What is the first thing you should do in a lab?

List four things students should be before beginning any lab. Read instructions, Tie back long hair, Roll back loose sleeves, Put on safety goggles. List two things students should do after a lab. Wash hands with soap and water, Clean up your work area.

What are four things that you should never do in the science lab?

10 Things NOT to Do in a Research Lab

• Wearing open-toed shoes. It is important to wear closed toed shoes in the lab for a variety of reasons.
• Keeping long hair down.
• Eating or drinking.
• Erasing data from your notebook.
• Showing up late.
• Forgetting to label samples or materials.
• Incorrectly disposing of your materials.
• Wearing shorts.

In what cases might you be asked to leave the laboratory?

2. Responsible behavior is essential. The dangers of spilled acids and other chemicals and broken glassware created by Thought less actions are too great to be tolerated. Reckless and careless students can be asked to leave the lab.

What is the first thing to do in the event of an accident in the laboratory?

Medical emergency Initiate lifesaving measures if required. Do not move person unless there is danger of further harm. Keep person warm. Call for emergency response.

What should you not do if a person’s clothes suddenly catch fire in a lab?

If your clothing catches fire, do not run or take other action that will fan the flames. Immediately drop down and roll on the floor to extinguish the flames. Laboratories are also equipped with fire blankets for extinguishing clothing fires.

What to do if hair catches on fire in lab?

Extinguish small fires in a container by covering and cutting off the oxygen with a solid ceramic matte. If anyone’s hair or clothing catches on fire, immediately try to smother the flames with a wool fireblanket, or cotton clothing. Do not ever try to smother flames with nylon clothing: it could melt onto the skin.

What would immediately be used if your clothing caught fire?

What would immediately be used if your clothing caught fire or if a large chemical spill had occured on your clothing? Smother the fire with a small container (i.e., a beaker) Remember this is to extinguish SMALL fires!

What is the best way to put out a fire in a reaction vessel?

If There is a Fire:

1. A fire in a small vessel can usually be suffocated by covering the vessel.
2. If the fire is too large to be easily suffocated or put out with the fire extinguisher, all persons should evacuate the area, using the stairs to leave the building.
3. Activate the hallway fire alarm.

What should you not do if a persons close suddenly catch fire?

What should you NOT do if a person’s clothes suddenly catch fire? Wrap a fire blanket around a standing person.

How would one put out an accidental ethanol fire in the lab?

Use a CO2, halon, or dry chemical extinguisher that is marked B, C, BC, or ABC. An alcohol-type or alcohol-resistant (ARF) foam may be used to effectively combat fuel ethanol fires.

Where should you put unused chemicals?

Do not put chemicals back into reagent bottles; returning an unused chemical to a container risks contamination. Extra material must be placed in the appropriate chemical waste container. Whenever possible, share excess material with a neighbor, but do not return it to the original container.

Why is it important to never return unused chemicals to their original containers?

7. Never return unused chemicals to the reagent bottles. This is a source of possible contamination of the entire contents of the stock bottle. Dispose of unused chemicals exactly as instructed in the waste disposal instructions for that substance, identified by throughout each experiment.

Should you return all unused chemicals to their original containers?

All chemicals in the lab are yo be considered dangerous. Return all unused chemicals to their original containers. Pipets are used to measure and dispense small amounts of liquids. Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.