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Which of the following is considered appropriate attire for working in a laboratory?

Formal business attire

Cap or beany with long pants and closed shoes.

Loose-fitting clothing and open-toe sandals

Short sleeves, long pants, and closed-toe shoes

Tank tops and shorts

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What should you do if your clothing gets contaminated with a chemical in the laboratory?

Wait until the end of the day to change clothes

None of the other options.

Inform colleagues for help

Ignore it and continue working

Immediately remove the contaminated clothing and rinse skin with water

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How should lab coats or protective clothing be worn in a laboratory?

Tied loosely around the waist

Worn inside out for convenience

Fully buttoned or secured to cover skin and clothing

Open at the front to stay cool

Back to front to ensure that the full front is protected

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Which of the following is NOT a recommended accessory to wear in a laboratory?

Disposable gloves

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When should you remove personal protective equipment (PPE) such as gloves and safety goggles in a laboratory setting?

Only after you are outside the laboratory.

After finishing all tasks and leaving the laboratory area.

You only need one of the two items listed, not the other.

Only if the laboratory appears clean and free of hazards.

Immediately upon entering the laboratory to feel more comfortable.

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If you accidently mix the wrong chemicals, you must:

Add an acid to neutralize it.

Report it to the instructor.

Share your neighbour’s experimental results.

Immediately dispose of the mixture down the sink.

Repeat the experiment one more time.

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On the last day the lab experiment will end at:

When you are done you can leave.

At 5pm, like always.

The last day is a paper not an experiment.

None of the other options are correct.

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In lab, to avoid bumping into other students, you should:

Take one step forward before you back up.

Always move exactly when and where you want.

Look behind you before you back up.

Step backward, only if instructed to do so.

Never step backward.

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Which of the following behaviours demonstrates proper laboratory etiquette?

Snapping photos during the lab.

Using humour to distract colleagues during experiments.

Eating snacks while conducting experiments to stay energized.

Labelling and properly storing all personal belongings in designated areas.

Sharing personal electronic devices with colleagues during work hours.

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You may do an unassigned experiment, only:

If you have designed it carefully yourself.

None of the other options.

If you are sure, it is safe.

If you are finished early in lab.

If you have found it on the internet.

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