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Nov 04, 2025
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2020-2021 Catalog [PREVIOUS CATALOG YEAR]
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RAD 120 - Radiographic Technique I
Description: Fundamentals of image production, processing, film imaging with related accessories and image analysis based on technical imaging standards.
Prerequisites: Admission to the Radiologic Technology program. Reading Proficiency
Corequisite: RAD 100 and RAD 110 and RAD 170 .
Credits: 3
Lecture: 3
Course Content:
- Exposure factors
- Density
- Contrast
- Recorded detail/spatial resolution
- Distortion
- Beam limiting devices
- Beam filtration
- Scattered and secondary radiation
- Grids
- Exposure factor formulation
- Darkroom environment
- Radiographic film
- Image receptors
- Film processing
- Processor quality control
Learning Outcomes:
- Identify the exposure factors required for image production. (1)
- Analyze the relationship of factors that control and affect radiographic quality. (2)
- Analyze the relationship of factors that control and affect radiographic contrast. (3)
- Analyze the relationship of factors that control and affect recorded detail. (4)
- Differentiate between size and shape distortion. (5)
- Describe the operation and application of beam-limiting devices and the rationale for their use. (6)
- Explain the impact beam filtration has on x-ray beam intensity, beam quality, half value layer, and resultant patient exposure. (7)
- Summarize factors affecting scattered and secondary radiation and their effects on image quality. (8)
- Discuss remnant beam control including a comparison of grid, grid efficiency, grid ratio and frequency, grid errors, grid artifacts and grid selection. (9)
- Compare fixed kilovolt peak (kVp) and variable kVp systems. (10)
- Explain the use of standardized radiographic technique charts and exposure factors used in selecting techniques. (10)
- Apply conversion factors for changes in: distance, grid, image receptors, milliampere-second (mAs) reciprocity and 15 percent rule. (10)
- Discuss the effects of film storage on image quality including safe light illumination. (11)
- Describe the function of radiographic film components including latent image formation and characteristic curves. (12)
- Describe the function and characteristics of various image receptors. (13)
- Analyze the effects of processing on image quality. (2,3,14)
- List the steps and components of automatic film processing including artifacts and silver recovery. (14)
- Discuss the purpose of a daily quality control program for processors. (15)
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