10-526-159Radiographic Imaging
Course Information
Description
Introduces radiography students to the process and components of imaging. Students determine the factors that affect image quality including receptor exposure, spatial resolution, and distortion.
Total Credits
3
Course Competencies
  1. Explain the factors that affect exposure
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    explanation includes the factors that affect radiographic contrast (e.g. high/low, long scale/short scale)
    explanation includes the factors that affect radiographic receptor exposure
    explanation includes the effect of prime factors on receptor exposure

  2. Explain the factors that affect geometric properties
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    explanation includes factors that affect spatial resolution
    explanation includes differentiation between size and shape distortion
    explanation includes factors affecting size distortion
    explanation includes factors affecting shape distortion

  3. Identify image receptor systems
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    you identify basic image receptor systems
    you explain the functions of the image receptor
    you describe basic exposure indicator systems

  4. Analyze construction, purpose, and use of beam restricting devices
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    analysis includes all of the significant types of beam restricting devices
    analysis includes construction, purpose, and use
    analysis includes impact on beam and image quality
    analysis includes advantages and disadvantages

  5. Explain the structure and function of radiographic grids
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    you identify the types of grids
    you use grid related terminology
    you describe the structure of radiographic grids
    you explain the importance of radiographic grids
    you recognize errors in grid use
    you calculate technical factors according to grid use

  6. Identify basic atomic structure
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    you identify the basic composition of an atom
    you distinguish among atomic number, mass number, atomic weight, and isotopic weight
    you distinguish between electron binding energy and electron energy level

  7. Summarize X-ray interactions with matter
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    you summarize photoelectric interactions
    you summarize Compton interactions
    you summarize interactions with matter
    you summarize the impact on image formation

  8. Summarize the factors affecting scatter and secondary radiation
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    you compare images
    you identify evidence of factors affecting scatter and secondary radiation
    you correctly determine which factors are responsible for effects
    you identify the impact of scatter and secondary radiations on image receptor exposure
    you identify the impact of scatter and secondary radiations on image contrast

  9. Summarize filtration
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    you summarize the effects of different methods of beam filtration
    you explain added and inherent filtration
    you explain effects on the resultant image
    you compare compensating filtration and protective filtration
    you describe half-value layer (HVL)

  10. Analyze exposure factor considerations involved in technique selections
    Assessment Strategies
    Oral, written, graphic and/or skill assessment
    Criteria
    you use a technique chart to determine exposure factors
    you locate exposure information on a technique chart
    you differentiate between types of technique charts
    you recognize the effects of varying exposure factors on the image
    you adjust exposure factors to improve image quality
    you calculate the relationship between the technical factors of exposure
    you describe appropriate selection of exposure factors
    you describe the relationship between exposure factors and patient dose (exposure creep)