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RADT 465 Rad Protect

ARRT Registry Review Covering Radiation Protection

QuestionAnswer
What is the monthly gestational dose-equivalent limit for embryo/fetus of a pregnant technologist? 0.5 mSv (Bushong, p. 557)
What is the annual occupational dose-equivalent limit for the eyes? 150 mSv (Bushong, p. 557)
What is the term used to describe irradiation of water molecules within the body and breakdown? Radiolysis (Bushong, pp. 506-507)
Which interaction with matter is associated with the majority of scattered radiation reaching the image receptor? Compton scatter (Bushong, pp. 176-178)
If mA is increased to maintain output intensity, how would the ESE be affected as the source-to-skin distance is increased? ESE decreases (Bushong, p. 582)
What would be considered late radiation-induced somatic effects? Thyroid cancer, cataractogenesis, genetic mutations (Bushong, pp. 532-534)
What is the annual occupational whole-body dose-equivalent limit? 50 mSv (Bushong, p. 557)
What type of crystals are associated with a thermoluminescent dosimetry system? Lithium fluoride (Bushong, p. 593)
Medical and dental radiation makes up what percent of the general public's exposure to human-made radiation? 90% (Bushong, p. 6)
What does filtration do to the primary beam? Increases the average energy of the primary beam (Bushong, p. 157)
What is the minimum lead requirement for lead aprons? 0.50 mm Pb (Bushong, p. 560)
How high should primary radiation barriers be at least? 7 ft (Bushong, pp. 571-572)
As fluoroscopic FOV decreases, what happens to patient dose? Increases (Fosbinder and Orth, p. 285)
What unit is used to describe the ionizing radiation dose to biologic material? Rem (Sv) (Bushong, p. 23)
When hair loss occurs due to skin response to radiation exposure, what is the term used to describe the reaction? Epilation (Bushong, p. 522)
When is biologic material the least sensitive to irradiation? Anoxic (Bushong, pp. 496-497)
What type of late effects of radiation is dose related and there is no threshold dose? Stochastic (Bushong, p. 532)
Leakage radiation for the x-ray tube must not exceed what amount? 100 mR/h (Bushong, p. 130)
What does the term use factor mean? The amount of time that x-rays are being produced and directed toward a particular wall (Bushong, p. 573)
What acute radiation syndrome must receive the largest exposure before any effects become noticed? Central nervous system (CNS) (Bushong, pp. 517-518)
What is the unit used to measure occupational exposure? Rem (Sv) (Bushong, pp. 24-25)
Which type of personnel radiation monitor can provide immediate readings? Ionization chamber (Carlton and Adler, p. 124)
What are isotope? Atoms that have the same atomic number but different mass numbers (Bushong, p. 47)
What is the minimum distance for SSD in mobile fluoroscopy? 12 inches (Bushong, p. 569)
The filters used in x-ray tubes are usually made of what? Aluminum (Bushong, p. 11)
Created by: krsteffen9