FIRST PUBLISH OCTOBER 2024
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 - ANSWER✔✔-Techniques and activities used to fulfill requirements of quality (Tests to
be performed)
Quality Indicators - ANSWER✔✔-Measurable elements of quality (Ex: 2%, 2mm, 1 degree)
Quality Assessment - ANSWER✔✔-Collection and review of Quality Assurance data
Homogenuity - ANSWER✔✔-Must be within 5 Hounsfield units
Percent of all cancer patients that will receive radiation therapy - ANSWER✔✔-60%
Percent of patients cured through radiation therapy - ANSWER✔✔-50-60%
Fixed Isocenter Distance - ANSWER✔✔-100 cm
Varian scale begins with x degree at the top - ANSWER✔✔-180
Page 1/7
, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
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
Page 2/7