Radt 146 Radiation Protection Exam
Questions With Verified Answers
Protection - answer✔-Filtration (inc -> dec patient exposure)
-collimation (inc -> dec patient exposure)
-protective apparel (protects from scatter radiation, reduces 95-97 of scatter)
-gonadal shielding (patients of child-bearing age; started menstruation/period)
-protective barriers
(patient exposure dec)
Image Receptor - answer✔Film/Screens, Digital
Only use gonadal shield if field is - answer✔5 cm near gonadal region
Digital detector - answer✔give patient least amount of exposure
10 commandments of radiation protection - answer✔1. 3 cardinal rules of radiation protection
(Time, shielding, distance)
2. Familiarity ->False security
3. never stand in primary beam
4. wear protective apparel
5. wear occupational radiation monitor outside of lead apparel
6. don't routinely hold patients during exposure
7. if holding, wear protective apparel
8. used gonadal shielding for patients of child bearing age
9. avoid imaging pregnant
10. always collimate to smallest field size appropriate for the examination
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