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Principles of Radiographic Exposure

RAD 110

Principles of Radiographic Exposure

RAD 110

Course Description

Prerequisites: Prerequisites: RAD 100, RAD 105, RAD 108W, RAD 130, LW 206A each with a "C" (2.

0) minimum grade. Concurrent enrollment in RAD 120W, RAD 122, RAD 150, RAD 205W, RAD 210W, RAD 215, LWA 206B, LWA 206C. Provides the theory and skills necessary to analyze the diagnostic quality of a radiograph and effectively manipulate exposure variables to produce a diagnostic radiograph. (15-23)

Outcomes and Objectives

Develop an understanding of imaging standards.

Objectives:

  • Discuss practical considerations in setting imaging standards.
  • Define radiographic quality.
  • Discuss acceptance limits in image quality.
  • Describe how the following affect radiographic quality.

Analyze the relationships of factors affecting the photographic property of density.

Objectives:

  • Define radiographic density.
  • Identify the acceptable range of radiographic density.
  • Analyze the relationships of all factors affecting radiographic density.
  • On objects provided, produce radiographic images utilizing variable exposure factors.
  • Assess the quality of the images related to radiographic density.

Analyze the relationships of factors affecting the photographic property of contrast.

Objectives:

  • Define radiographic contrast.
  • Differentiate between high and low radiographic contrast.
  • Distinguish long and short scale of contrast.
  • Explain the association between radiographic fog and visibility of detail.
  • Identify the acceptable range of radiographic contrast.
  • Analyze the relationships of all factors affecting radiographic contrast.
  • On objects provided, produce radiographic images utilizing variable exposure factors.
  • Assess the quality of the images related to radiographic contrast.

The student will analyze the relationships of factors related to geometrically recorded detail and the factors that affect the sharpness of an image.

Objectives:

  • Explain the association between radiographic density, radiographic contrast and visibility of detail.
  • Define recorded detail.
  • Identify the types of radiographic unsharpness.
  • Identify the factors that produce geometric unsharpness.
  • Analyze the relationships of all factors affecting recorded detail.
  • On objects provided, produce radiographic images utilizing variable exposure factors.
  • Assess the quality of the images related to recorded detail.

The student will demonstrate an understanding of the concept of distortion and the factors that affect distortion of an image.

Objectives:

  • Define radiographic distortion.
  • Differentiate between size distortion and shape (true) distortion.
  • Identify the acceptable range of distortion.
  • Analyze the relationships of all factors affecting radiographic density.
  • On objects provided, produce radiographic images utilizing variable exposure factors.
  • Assess the quality of the images related to both size and shape (true) distortion.