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(S&L) Intro to Laboratory Safety and Fundamentals > Terms > Flashcards

Terms Flashcards

1
Q

Acids

A

Substances having a pH below 7.0; has an extra hydrogen ion

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2
Q

Aerosols

A

The vapourization or dispersion of liquid droplets, solid particles, and combustions of these in a fine spray or mist

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3
Q

Autoclave

A

Sterilizing chamber which uses high temperature, high pressure stream

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4
Q

Bases

A

Substances having a pH above 7.0; slippery to touch in an aqueous solution

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5
Q

Biohazard

A

Biological substances that pose a threat to the health of living organisms

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6
Q

Blood-borne pathogens

A

Infectious microorganisms in human blood that can cause disease in humans

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7
Q

Carcinogenicity

A

Ability or tendency of a substance/agent to directly cause cancer

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8
Q

Centrifuge

A

Machine with a rapidly rotating container that applies centrifugal force to separate fluids of different densities or liquids from solids

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9
Q

Chemical hazards

A

Inherent hazards associated with chemicals within the workplace

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10
Q

Corrosives

A

Substances that can damage and destroy body tissues or other materials

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11
Q

Cryogenic agents

A

Substance that can be used to cool an object to cryogenic temperatures (below -150 degrees C)

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12
Q

Disinfectants

A

Liquid chemical that is able to destroy bacteria

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13
Q

Flash point

A

Temperature at which a particular compound gives off enough vapour to ignite in air

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14
Q

Fume hood

A

Ventilated enclosure, typically a laboratory, in which harmful chemicals can be used or kept

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15
Q

Hazardous wastes

A

Wastes with properties that make them dangerous or potentially harmful to human health or the environment

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16
Q

Insidious

A

Dangerous and gradually develops without being noticed; hidden hazard

17
Q

Material safety data sheet (MSDS)

A

Summary of the potential hazards of a substance, instructions on how to work safely with the substance, and first aid instructions

18
Q

Oxidizing material

A

Source of oxygen or other oxidizing elements; oxidizers

19
Q

Radiation

A

Energy that comes from a source and travels through material or space

20
Q

Ultraviolet

A

Light having wavelengths between 180-390nm

21
Q

WHMIS

A

Workplace Hazardous Materials Information System; national hazard communication standard

(S&L) Intro to Laboratory Safety and Fundamentals (4 decks)

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