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Exam 1 Radiation Safety Chapters 1-3 Questions with Latest Update
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ALARA - Answer-As Low As Reasonable Achievable: To keep radiation does at lowest Possible level BERT - Answer-Method that compares the amount of radiation received with natural background radiation received over a given period TRACE - Answer-Tools for Radiation Awareness and Community Educati...

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  • October 10, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • exam 1 radiation safety chapters 1 3 questions wit
  • alara answer as low as reasonable achievable to

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Exam 1 Radiation Safety Chapters 1-3
Questions with Latest Update
ALARA - Answer-As Low As Reasonable Achievable: To keep radiation does at lowest
Possible level

BERT - Answer-Method that compares the amount of radiation received with natural
background radiation received over a given period

TRACE - Answer-Tools for Radiation Awareness and Community Education Program:
Two phases

biologic damage - Answer-primarily by ejecting electrons from atoms composing the
tissues

biologic effects - Answer-Safeguarding against significant and continuing radiation
exposure is based on evidence that is harmful (Damage to living tissue of animals and
humans exposed to radiation)

Genetic damage - Answer-Radiation damage to generation yet unborn

Cellular damage - Answer-abnormal cell function or even entire loss of cell function
- Mutation, Cataracts, Leukemia

Organ damage - Answer-changes in blood count

diagnostic efficacy - Answer-the degree to which the diagnostic study accurately reveals
the presence or absence of the disease in the patient.

EqD- Equivalent dose - Answer-Quantity used to attempt to numerically specify the
difference in biologic harm that are produced by differences in biologic harm that are
produced by different types of radiation

EfD- Effective dose - Answer-Takes into account the dose for all types of ionizing
radiation to irradiated tissues or organs in the human body; what is exactly what was
exposed (liver, lungs)

Ionizing Radiation - Answer-When passing though matter, producing positively and
negatively charged particles (ions). The from that x-ray are.

Man-mad & artificial radiation - Answer-Created by human beings
- Consumer production
- Air travel
- Nuclear fuel

, - Atmospheric fallout from nuclear weapons testing
- Nuclear power plant accidents & the consequences of natural disasters,
- Medical Radiation

natural background radiation - Answer-Ionizing radiation from environmental sources

occupational and non-occupational doses - Answer-

ORP - Answer-Optimization for radiation protection: To keep radiation does at lowest
Possible level

Radiation - Answer-refers to kinetic energy that passes from one location to another and
can have many manifestations

EqD - Answer-enables the calculation for the effective does (EfD)

Radiation dose - Answer-the amount of energy transferred to electrons by ionizing
radiation;

Radiation protection - Answer-as effective measures employed by radiation workers to
safeguard patients, personnel, and the general public from unnecessary exposure to
ionizing radiation

Electromagnetic spectrum - Answer-The full range of frequencies and wavelength of
electromagnetic waves

Electromagnetic radiation - Answer-is high enough frequency, it can transfer sufficient
energy to some orbital electrons to remove them from atoms to which they are attached

Ionization - Answer-An x-ray photon possess enough energy to remove or knock out an
electron from an atom.

Remnant photons - Answer-Photons which pass though the irradiation object and reach
he image receptor

Characteristic Cascade - Answer-The process of each shell filling lower shells with a
corresponding emission of photons

NCRP - Answer-National Council of Radiation Protection

Particulate Raduation - Answer-Alpha & Beta Particles, Neutrons, Protons

Alpha particles - Answer-helium nuclei; not a lot of energy

Beta particles - Answer-fast electrons; penetrates the surface or dermis

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