Electromagnetic Radiation/Temperture Extremes- Done Flashcards by B -

Q

Examples of ionizing radiation

A

X-rays
Radio isotopes
Radon

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Q

Examples of sources of x-rays

A

Tubes

2. High voltage equipment

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Q

Types of radio isotopes

A

Neutrons
Gamma
Beta
Alpha

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Q

Neutron exposure class

A

Penetrating

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Q

Gamma exposure class

A

Penetrating

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Q

Beta exposure class

A

Low penetrating

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Q

Alpha exposure class

A

Must be ingested, inhaled or absorbed

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Q

Environmental source of ionizing radiation

A

Naturally occurring radon

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Q

Uses of ionizing radiation

A

Medical/therapeutic testing
Instruments
Analytical tools
Product sterilization

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Q

Effects of ionizing radiation

A

Cell ionization
Genetic alteration

Effects depend on penetration

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Q

Exposure/protection factors

A

Time
Distance
Shielding (best protection)
Ventilation

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Q

Types of non-ionizing radiation

A

Radio frequency
Microwave
Heat
UHF/VHF
Ultraviolet

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Q

Sources of non-ionizing radiation

A

Unintentional (ex sunlight)
Welding arc
Lights

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Q

Effect of welding arc

A

Delayed photokeratitis

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Q

Uses of non-ionizing radiation

A

Infra-red/ultraviolet lasers
Communications
Printing
Food processing/drying
Medical therapy
Sterilizing
Sealing/fusing

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Q

Effects of non-ionizing radiation

A

Effects are heat related at cell level

Hyperthermia
Cataracts
Nervous system
Burns

Q

Controls for laser use

A

Power interlocks
Good seals
Distance/shielding
UV filters
Laser glasses

Q

Paper is shielding for…..

A

Alpha particles

Q

Aluminum foil is shielding for….

A

Beta particles

Q

Lead is shielding for….

A

X-rays

2. Gamma rays

Q

Types of electromagnetic radiation

A

Ionizing
Non-ionizing
Lasers
VDTs