Lab Safety Rules Flashcards

1
Q

If a laboratory fire erupts, immediately

A

Notify your instructor

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2
Q

Approved eye protection devices (such s goggles) are worn in laboratory

A

Any time chemical, heat, or glassware are used

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3
Q

If you wear contact lenses in the school laboratory

A

Advise your science instructor that you wear contact lenses

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4
Q

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

A

Ask the instructor before proceeding

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5
Q

After completing an experiment, all chemical wastes should be

A

Disposed of according to your instructor’s directions

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6
Q

If a lab experiment is not completed, you should

A

Discuss the issue with your instructor

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7
Q

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

A

Away from people

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8
Q

You are heating a piece of glass and now what to pick it up. You should

A

Use tongs

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9
Q

You have been injured in the laboratory (cut, burn, etc.) first you should

A

Tell the science instructor at once

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10
Q

When gathering glassware and equipment for an experiment, you should

A

Read all directions carefully to know what equipment is necessary, examine all glassware to check for chips or cracks, clean any glassware that appears dirty

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11
Q

You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by

A

Lubricating the tubing with water or glycerin, using a towel or cotton gloves for protection, twisting the tubing and stopper carefully

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12
Q

Personal eyeglasses provide as much protection as

A

None of the above

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13
Q

Long hair in the laboratory must be

A

Tied back or kept entirely out of the way with a hair band, hairpins, or other confining device

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14
Q

In a laboratory, the following should be not worn

A

Loose clothing, dangling jewelry, sandals

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15
Q

The following footwear is best in the laboratory

A

Closed toed shoes

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16
Q

Horseplay or practical jokes in the laboratory are

A

Always against the rules

17
Q

If a piece of equipment is not working properly, stop, turn it off, and tell

A

The science instructor

18
Q

If an acid is splashed on your skin, wash at once with

A

Plenty of water

19
Q

When you finish working with chemicals, biological specimens and other lab substance, always

A

Wash your hands thoroughly with soap and water

20
Q

True/False: hot glass looks the same as cold glass

A

True

21
Q

True/False: all chemicals in the lab are considered dangerous

A

True

22
Q

True/False: return all unused chemicals to their original containers

A

False

23
Q

True/False: work areas should be kept clean and tidy

A

True

24
Q

True/False: pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the piper using your mouth

A

False

25
Q

True/False: laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present

A

False

26
Q

True/False: never remove chemicals or other equipment from the laboratory

A

True

27
Q

True/False: chipped or cracked glassware is okay to use

A

False

28
Q

True/False: read all procedures thoroughly before entering the laboratory

A

True

29
Q

True/False: all unauthorized experiments are prohibited

A

True

30
Q

True/False: you are allowed to enter the chemical preparation/storage area any time you need to get an item

A

False

31
Q

True/False: laboratory aprons should be worn during all lab activities

A

True

32
Q

True/False: it’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash

A

False

33
Q

True/False: never leave a lit burner unattended

A

True

34
Q

Flammable materials, like alcohol, should never be dispensed or used near

A

An open flame