Rad 370 Exam 1 Study Guide Solutions
Quality - ANSWER-Features and characteristics that bear on its ability to satisfy patient needs
Quality Assurance (QA) - ANSWER-All planned or systemic actions needed to provide confidence that
a service will satisfy requirements for quality
Quality Control ...
IEC scale begins with x degree at the top - ANSWER✔✔-0
Projects the number field on the patient to accurately measure SSD - ANSWER✔✔-ODI (Optical Distance
Indicator)
Radiopaque Marker - ANSWER✔✔-material with high atomic number, lead, copper or solder wire, used
on the surface of a patient or placed in a body cavity. Used to mark or outline specific parts or points of a
patient
Separation - ANSWER✔✔-the thickness of a patient along the CA or at any point within the the
irradiated volume; helps calculate the amount of tissue in front of, behind, or around a tumor
DRR - ANSWER✔✔-2D image reconstructed from CT data that shows a beam's eye view (BEV) of the
treatment field
Fudicial Plate - ANSWER✔✔-measurement device with little lead pieces which represent 1 cm; helpful
when taking port films
Accessory Holder - ANSWER✔✔-Holds blocks and the electron applicator
Port Film - ANSWER✔✔-2D image taken at least once a week to help verify the treatment setup
Ideal DRR slice - ANSWER✔✔-3x3 mm
Aperture size of a CT - ANSWER✔✔-80-90 cm
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