ARRT Content specs Radiation protection 2. (31) safety Exam Study Guide with Complete Solutions
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Course
Arrt
Institution
Arrt
ARRT Content specs Radiation
protection 2. (31) safety Exam Study
Guide with Complete Solutions
PATIENT CARE (18) - Answer-1. Pt. Interactions & Mgmt.
A. EXPOSURE FACTORS - Answer-kVp and mAs
kVp - Answer-high kVp/low mAs techniques should be used to reduce the exposure to the patient
with ne...
- minimize radiation dose to the reproductive organs when they are in or near (within 5 cm) a properly
collimated beam
-shaped contact shields can reduce male gonadal exposure by 90 % and contact shields can reduce
female exposure by 75 %
-shield if reproductive age
-shield children and pregnant patients front and back
-the more often the patient is exposed, the more we must be concerned with shielding (example: KUB vs
IVU)
Types (gonadal shields, breast shields, protective lenses, thyroid collar, wedges, filters and eye cups) -
Answer✔✔--flat contact
- shaped contact
- shadow shield
- protective lenses (glasses)
Placement - Answer✔✔-- Use shields if the radioigraphic image will not be compromised
-gonads, breasts and bone marrow are most radiosensitive, be sure to shield these areas whenever
possible
C. Beam Restriction - Answer✔✔-1. purpose of primary beam restriction
2. Types (collimators)
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