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RATEC 103 Principles of Radiographic Exposure • 4 Cr.


Examines the application and analysis of concepts in manipulation of technique to maximize image quality while maintaining ALARA. Topics include: applying mathematical concepts to solve multiple technique variables, analyzing imaging scenarios for dose and image quality factors, and employing key concepts in image acquisition and display.


Prerequisite: Acceptance into the program or permission of instructor.


After completing this class, students should be able to:

  • Relate manipulation of technical factors to the operation of the x-ray tube and the production of x-rays.
  • Define filtration, identify the legal requirements, and discuss the effect of it on the primary beam.
  • Describe potential interactions of x-ray with matter.
  • Explain HIS , RIS and PACS and their respective uses in a medical center.
  • Vary technical factors to achieve image quality and demonstrate ALARA given various imaging scenarios.
  • Identify elements that effect image quality factors.
  • Compare and contrast various image receptors.
  • Describe structure and function of image receptors components.
  • Differentiate among the types of image acquisition systems.
  • Define key elements in image display.
  • Discuss personal responsibilities for correctly marking images, maintaining personal repeat rates, and preventing artifacts.
  • Identify ethical considerations associated with technology superseding knowledgeable application of the digital imaging capabilities



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Bellevue College
3000 Landerholm Circle SE Bellevue, WA 98007-6484 U.S.A.
Work: (425) 564-1000