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RAD 117 EXAM 1 QUESTIONS AND CORRECT ANSWERS 100% VERIFIED
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RAD 117 EXAM 1 QUESTIONS AND CORRECTANSWERS 100% VERIFIED
ionizing radiation
Radiation with enough energy of which can cause orbital electrons to be ejected. X-rays
and the products of radioactive decay can cause this. Examples: X-rays, gamma rays,
and ultraviolet rad with energy levels greater than 10 eV.
Radiation
The transfer of kinetic energy, or energy in motion, from one location to another
Team approach
The ASRT, JAHCO, and the ARRT encourage health care providers to function with this
type of approach and establish a culture of quality, patient safety, and high reliability
Minimize
By adhering to best practices techs and radiologists can __________ the effects of
causing damage to healthy biological tissue
controllable radiant energy
An example of this type of radiant energy is radiation produced in the X-ray tube
,Techs and radiologists
These groups are educated in safe operation of equipment, use protective devices
whenever possible, follow established procedures, and select techniques that reduce
X-ray exposure to patients and themselves
Coulombs per kilogram (C/kg) or milliroentgen (mR)
Units for Exposure
Milligray (mGy)
Unit for absorbed dose
Millisievert (mSv)
Unit for effective dose
beneficial, destructive
ionizing radiation has a ____ and ____ potential
Radiation Protection
effective measures employed by radiation workers to safeguard patients, personnel,
and the general public from unnecessary exposure to ionizing radiation
Reasons for radiation protection
, Patient protection, occupational safety, minimize potential for radiocarcinogenic
effects, minimize potential for mutagenic effects and no known safe threshold
Exposure
the amount of ionization produced in air when ionizing radiation is present. Expresses
the intensity of rad delivered to a specific area such as the surface of the human body.
C/kg international unit
Absorbed dose
The amount of energy deposited in a material per unit mass of the material.
Equivalent Dose (EqD)
Product of the average absorbed dose in a tissue or organ in the human body and it's
associated weighting factor. Traditional unit: REM. International unit: Sv. Equaled to [D
(RAD) x weighting factor (Wr)]
Effective dose
An attempt to provide a quantity that is measured of general harm to humans. Takes into
account the amount of absorbed dose that is received by a human and the type of rad
(alpha, beta, protons, neutrons are all somewhat different at the same absorbed dose
levels) and the specific organ or organ systems irradiated. Best overall measure of
biological effects of ionizing radiation. EfD = [D (RAD) x weighting factor (Wr) x
weighting factor (Wt)]
Outweigh
The realized benefits of ionizing radiation far ______ any slight chance of inducing
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