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RADT 465

Radiation Protection

QuestionAnswer
Defines the rate of energy deposited per unit track length through an absorber ((E-6 Radiologic Technology Review (Kettering)) Linear Energy Transfer (LET)
As LET increases, the quality factor for a given form of radiation will ((E-6 Radiologic Technology Review (Kettering)) Increase
As a cells oxygen level increases, the cell's sensitivity to radiation _______ and its probability of survival _______ ((E-7 Radiologic Technology Review (Kettering)) Increases, decreases
Equal doses of radiation that are delivered with time interval separation ((E-7 Radiologic Technology Review (Kettering)) Fractionation
Radiation dose that is delivered continuously but at a lower dose rate((E-7 Radiologic Technology Review (Kettering)) Protraction
Radiation interaction with water ((E-8 Radiologic Technology Review (Kettering)) Radiolysis
When the cells die without attempting to divide ((E-8 Radiologic Technology Review (Kettering)) Interphase death, apoptosis
When cell goes through one or more biotic phases and then dies ((E-8 Radiologic Technology Review (Kettering)) Mitotic (genetic) death
Which trimester is the most radiosensitive ((E-14 Radiologic Technology Review (Kettering)) First trimester, because of the large number of stem cells
This interaction interacts with an outer shell electron of a target atom and removes the electron ((E-16 Radiologic Technology Review (Kettering)) Compton Effect
This interaction interacts with an inner (k) shell electron of a target atom and removes the electron ((E-17 Radiologic Technology Review (Kettering)) Photoelectroc Absorption (effect)
Which interaction is the primary source of patient radiation exposure ((E-17 Radiologic Technology Review (Kettering)) Photoelectric Absorption effect
What are some natural sources of radiation ((E-29 Radiologic Technology Review (Kettering)) Radon, cosmic, terrestrial
What is the most effective way of personnel protection from radiation ((E-30 Radiologic Technology Review (Kettering)) Distance
What is the minimum thickness for a lead apron ((E-30 Radiologic Technology Review (Kettering)) 0.5 mm Pb
Thickness of an absorbing material required to reduce the intensity of radiation to one-half of its original value ((E-30 Radiologic Technology Review (Kettering)) Half-value layer (HVL)
This was designed to maintain a predetermined level of light intensity exiting the image intensification tube((E-32 Radiologic Technology Review (Kettering)) Automatic Brightness Control (ABC)
What is the minimum source to skin distance for a fluoroscopic unit ((E-32 Radiologic Technology Review (Kettering)) 15 inches
What is the minimum source to skin distance for a mobile unit ((E-32 Radiologic Technology Review (Kettering)) 12 inches
Defines the unit of radiation exposure in the air ((E-36 Radiologic Technology Review (Kettering)) Roentgen
Measures the biological effectiveness of radiation ((E-35 Radiologic Technology Review (Kettering)) REM
Measures the amount of energy from the x-ray beam that is transferred to the absorbing object ((E-35 Radiologic Technology Review (Kettering)) Rad
What is the SI unit for Rad ((E-35 Radiologic Technology Review (Kettering)) Gray
What is the SI unit for Rem ((E-35 Radiologic Technology Review (Kettering)) Sievert
What is the SI unit for Roentgen ((E-35 Radiologic Technology Review (Kettering)) Coulomb/kilogram
What is the SI unit for Curie ((E-35 Radiologic Technology Review (Kettering)) Becquerel
What is the annual occupation exposure to whole body ((E-40 Radiologic Technology Review (Kettering)) 5 rem (50 mSv)
Created by: cameron101691
 

 



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