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RADT 465 Rad Protect
ARRT Registry Review Covering Radiation Protection
| Question | Answer |
|---|---|
| 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
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