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Radiation Protection Chapter 1 Terms Questions with Solutions
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Radiation Protection Chapter 1 Terms
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Radiation Protection Chapter 1 TermsALARA - answer As Low As Reasonably Achievable
One of the three cardinal principles of radiation protection - answer Distance
In the medical industry with reference to the utilization of ionizing radiation, the
possibility of inducing adverse biological effects such as injury to the skin or induction of
cancer or a genetic defect after irradiation - answer Risk
A subunit of the sievert equal to 1/1000 of a sievert - answer Millisievert (mSv)
Method for comparing the amount of radiation received from a radiologic procedure of
any part of the body with natural background radiation received over a specified period
such as days, weeks, months, or years - answer BERT
effective measures employed by radiation workers to safeguard patients, personnel,
and the general public from unnecessary exposure to ionizing radiation - answer
Radiation Protection
A partnership of medical societies whose overall common purpose is to reduce the
radiation dose for pediatric patients - answerThe Alliance for Radiation Safety in
Pediatric Imaging
Synonymous with ALARA - answerOptimization for radiation protection (ORP)
A disease process that does not appear to have a fixed threshold - answerRadiation
induced cancer
The degree to which the diagnostic study accurately reveals the presence or absence of
disease in the patient - answerDiagnostic efficacy
Individual expressly charged by the hospital administration with being directly
responsible for the execution, enforcement, and maintenance of the ALARA program -
answerRadiation Safety Officer (RSO)
Makes patients feel that they are active participants in their own health care -
answerAppropriate and effective communication
Fear of being exposed to radiation - answerRadiation phobia
Can damage living tissue of animals and humans exposed to radiation - answerAdverse
biologic effects
, Conducted by the FDA and the Conference of Radiation Control Directors to provide
numerical data on systems as they exist in the United States as of the date of the last
survey - answerThe NEXT Program
SI subunit of measure for the radiation quantity, "absorbed dose" - answerMilligray
(mGy)
Requires monitoring of patient dose in CT and in interventional procedures - answerThe
Joint Commision
A consequence of ionization in human cells is: - answerCreation of highly free reactive
molecules (radicals) capable of producing substances poisonous to the cell
Year in which x-ray was discovered - answer1895
Have the responsibility to select technical exposure factors that significantly reduce
radiation exposure to patients and themselves - answerRadiologic Technologists
Ionizing Radiation - answer
Based on strong evidence that living tissue of animals and humans can be damaged by
exposure to ionizing radiation - answerJustification for reduction of unnecessary
radiation exposure
Type of approach in patient care that has gained an increasing awareness in recent
years - answerTeam approach
Responsibility of facilities and radiographers that provide imaging services Is to: -
answerTo provide high quality imaging services
Usually based on large scale surveys of actual measurements of x-ray machines in
hospitals - answerAcceptable reference values of patient dose
What increases radiation exposure to the patient and potentially to the radiographer? -
answerRepeated radiographic exposures as a result of technical error or carelessness
Radiation has been present on earth in all of its various manifestations since the: -
answerBeginning of time
Both patient and imaging personnel radiation doses will remain well below maximum
allowable levels when: - answerRadiographers and radiologists keep exposure ALARA
How can humans safely control the use of radiant energy? - answerUsing knowledge of
radiation induced hazards that has been gained over many years AND by employing
effective methods to limit or eliminate radiation induced hazards
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