Radiation Hazards and Control

Which one is NOT the ionizing radiation?

• Alpha particles

• Gamma Rays

• Beta particles

• Infrared

What is the atomic number (Z)?

• Number of neutrons

• Number of protons

• Mass number

• Chemical symbol

What are isotopes?

• Atoms of the same atomic number but different mass number

• Atoms of different atomic numbers

• Atoms with equal number of neutrons

• None of the above

What is ionizing radiation?

• Radiation that does not cause ionization

• Radiation that has enough energy to remove electrons

• Radiation that is harmless

• None of the above

What are the common sources of UV radiation?

• The sun

• Mercury vapor lamps

• Welding arcs

• All of the above

What is the TLV designed to protect against?

• Cataracts

• Skin cancer

• Skin burns

• All of the above

What are the effects of infrared radiation on the skin?

• Absorbed as heat

• Causes immediate pain

• No effect

• All of the above

What are the symptoms of traditional 'Microwave sickness'?

• Headache

• Irritability

• Dizziness

• All of the above

What is the primary hazard of lasers?

• Eye and skin hazard

• Hearing loss

• Respiratory issues

• None of the above

What is the purpose of shielding in radiation control?

• To reflect radiation

• To absorb radiation

• To restrict access

• All of the above