Apr 19, 2024  
2021 - 2022 Catalog 
    
2021 - 2022 Catalog [ARCHIVED CATALOG]

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RAD 105L - Fundamentals of Radiography Lab

Credits: 2
Instructional Contact Hours: 2

Provides the fundamental theory and skills related to the production of x-radiation. Emphasizes the basic components of radiographic equipment, the characteristics of radiation, and image formation. Includes methods of control of radiation and image recording systems. RAD 105 grade will be the same as RAD 105L grade.

Prerequisite(s): Validation and successful clinical entry to the Radiography Program.
Corequisite(s): RAD 100, RAD 105, RAD 108W, RAD 130, RAD 130L, and LW 206A 
Lecture Hours: 0 Lab Hours: 30
Meets MTA Requirement: None
Pass/NoCredit: No

Outcomes and Objectives  

  1. Identify the basic components of radiographic equipment.
    1. Discuss the discovery of x-rays and historical significance.
    2. Identify the characteristics of x-rays.
    3. Correlate energy, penetrating power, wavelength, and frequency.
    4. State the speed of electromagnetic radiation in a vacuum.
    5. State the three elements essential for the production of x-rays.
    6. Diagram and identify the components of the x-ray tube.
    7. State the function of each component of the x-ray tube.
    8. Discriminate between a stationary and rotating anode tube.
    9. Correlate filament current with thermionic emission.
    10. Correlate filament size with focal spot size.
    11. Discriminate between the actual focal spot and the effective focal spot (line focus principle).
    12. Explain how milliamperage, kilovoltage and time affect the x-ray beam.
    13. Diagram and describe the Anode-Heel Effect.
    14. Calculate heat units.
    15. Determine the rating of an x-ray tube utilizing a tube rating chart.
    16. Calculate the rate of heat dissipation utilizing a tube cooling chart.
    17. Correlate the anode heat capacity with the heat dissipation rate.
  2. Explain the production of radiation.
    1. Correlate the manipulation of the kV selector, mA selector, and time selector with the production of x-radiation within the tube
    2. Define differential absorption.
    3. Correlate the relationship of kVp and mA with differential absorption.
    4. List two factors, which determine differential absorption of x-rays.
    5. Explain exponential attenuation.
    6. Define and describe secondary radiation.
    7. Differentiate between primary, secondary, and remnant radiation..
    8. State the effects of kV and atomic number on the production of secondary radiation.
    9. Compare the production of bremsstrahlung radiation with the production of characteristic radiation.
    10. Discuss the relationships of wavelength and frequency to beam characteristics.
  3. Explain radiographic image formation.
    1. Differentiate between radiopaque and radiolucent.
    2. Correlate the quality of the x-ray beam with selective tissue absorption within the patient.
    3. Compare and contrast the 5 interactions of radiation with matter
  4. Explain the use of the Computerized Radiography and Digital Radiography Workstations.
    1. Demonstrate start up/shut down process
    2. Demonstrate the erasing of imaging plates
    3. Demonstrate input of exam information
    4. Demonstrate evaluation of the radiographic image for proper exposure
    5. Discuss the acceptable exposure range for the radiographic image
    6. Correlate exposure changes to the Exposure Indicator value
  5. Describe methods of radiation control.
    1. Identify three classifications of beam restrictors.
    2. Discuss the construction of each type of beam restrictor.
    3. List the advantages and disadvantages of each type of beam restrictor.
    4. Discuss PBL and its use in imaging.
    5. Correlate the relationship between beam restrictors and scattered radiation.
    6. State the purpose of a radiographic grid.
    7. Explain the different types of grids.
    8. Diagram and label a cross-section of a radiographic grid.
    9. Explain the significance of grid ratio and grid frequency in relation to the remnant beam.
    10. Compare and contrast stationary and moving grids.
    11. Define beam filtration and the various types.
    12. Explain the purpose of beam filtration related to patient dose and scattered radiation production
  6. Demonstrate understanding of specialized radiographic equipment.
    1. Identify the components of the radiographic fluoroscopic unit.
    2. Identify the components of an image intensifier.
    3. Explain the functions of the components of the image intensifier.
    4. Discuss the effects of minification and flux gain on total brightness gain.
    5. Discuss the factors that affect fluoroscopic image contrast, resolution, distortion, and quantum mottle.
    6. Evaluate the three basic types of fluoroscopic viewing systems.
    7. Explain digital fluoroscopic image acquisition.
    8. Explain the basic function of a fluoroscopic automatic brightness control.
    9. Discuss safety considerations in performing fluoroscopic examinations.
    10. Explain the tomographic principle.
    11. Explain the relationship of tomographic amplitude to exposure amplitude.
    12. Discuss image blur.
    13. Identify the components of a tomographic unit.
    14. Describe magnification radiography and its uses.



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