Sep 20, 2026  
2025-2026 Catalog 
    
2025-2026 Catalog [ARCHIVED CATALOG]

RA 120 - Radiotherapy Technology II


Credit Hours: 3

Designed to provide the student with a basic understanding of the following: medical terminology; radiographic imaging theory and methods; nutrition; emphasis on radiation therapy treatment planning; and dose calculations. Topics include quality assurance, treatment charts, alignment devices, and patient contours.

Course Outcomes
Upon completion of this course, the student will be able to:

  1. describe the discovery and history of X-rays;
  2. identify the components of an x-ray machine, cassette, and intensifying screen;
  3. list and describe the treatment and imaging modalities used in cancer management;
  4. identify the components of tumor classification and staging system;
  5. define such terms as tissue tolerance, lethal dose, therapeutic ratio, fractionation, radiosensitivity, palliation, and isocenter;
  6. state the content and purpose of the radiotherapy prescription;
  7. distinguish between the three sources of radiation used for external beam radiation;
  8. identify the components of a linear accelerator and their function; and
  9. perform basic radiation therapy calculations.


Prerequisites: RA 100
Corequisites: RA 102
S (C)

Three (3) 50-minute classes per week for 15 weeks.