RADT A105: Radiation and Imaging Safety
Item | Value |
---|---|
Curriculum Committee Approval Date | 12/02/2020 |
Top Code | 122500 - Radiologic Technology |
Units | 1 Total Units |
Hours | 27 Total Hours (Lecture Hours 13.5; Lab Hours 13.5) |
Total Outside of Class Hours | 0 |
Course Credit Status | Credit: Degree Applicable (D) |
Material Fee | Yes |
Basic Skills | Not Basic Skills (N) |
Repeatable | No |
Grading Policy | Standard Letter (S) |
Course Description
A study of the effects of radiation in humans and the principles of protection as applied to radiography. Introduction to health-physics instrumentation with a study of radiation control regulations. PREREQUISITE: Acceptance into the OCC Radiologic Technology Program (Cohort Restriction). Transfer Credit: CSU.
Course Level Student Learning Outcome(s)
- Explain the basic concepts of radiation safety and apply them in the laboratory and clinical setting.
- Students will be able to identify contraindications for MR.
Course Objectives
- 1. Explain the biological effects of radiation of humans
- 2. Identify the major methods of reducing patient and operator exposure to ionizing radiation
- 3. Identify the maximum permissible doses for operators of equipment
- 4. Identify health physics instruments and for which purpose each is intended
- 5. Identify the California laws governing radiographers and operation of X-ray equipment
- 6. Practice the principles of radiation protection techniques on radiographic phantoms.
- 7. Perform laboratory experiments to demonstrate the basic fundamentals of radiation protection including time, distance and shielding.
- 8. Identify the radiation shielding structural regulations and requirements
- 9. Identify the associated risks for patients and technologists in the MRI environment.
- I SCAN SKILLS IDENTIFICATION
- I. 1. Competencies
- I. 2. Foundation Skills
Lecture Content
Introduction and orientation to the course and the facilities. Introduction to the lab X-ray room Roentgen rays, interaction of x-rays with humans Ionizing radiation and matter Energy levels Types of interactions Importance Detection Radiation dosimetry Roentgen RAD REM Radiation protection/interactions Justification for X-ray procedures Responsibility Biological damage potential Medical radiation exposure Probability of photon interactions Attenuation 4 processes Radiation quantities, units and limits. Historical evolution of quantity units Exposure Absorbed dose Equivalent Traditional and SI units/conversion factors Limits for exposure Regulatory agencies Legal dose limits ALARA concept Protection philosophy Biological effects and basic cell biology. Basic cell components Radiation biology < Ionization Linear energy transfer Relative biological effectiveness Molecular, cellular effects Radio sensitivity Basic principles of protection for patient and operator. Effective communication Immobilization Beam collimation Filtration Shielding Exposure factors/processing Occupationally exposed personnel Structural shielding/tube housing Fluoro procedures/equipment Mobile exams Distance - inverse square law California State Department Syllabus on Radiography Radiography utilization Statistical overview Calif code or regulations (title 17) Factors influencing patient dose State Syllabus Radiation protection cont. Factors influencing patient dose cont. Tube and equipment Half valve layer Phototiming Source-to-image-receptor distance Patient and patient positioning Human anatomical considerations Motion State syllabus cont. repeat films (retakes) Equipment and accessory failure or error
Lab Content
Factors influencing patient dose cont. Tube and equipment Half valve layer Phototiming Source-to-image-receptor distance Patient and patient positioning Human anatomical considerations Motion Equipment and accessory failure or error Supervisor responsibilities Repeat studies X-ray personnel error How to minimize Retake analysis Radiation protection considerations in areas outside of routine departmental procedures Pediatric radiography Shielding Artifacts/motion Computed tomography Operation principles Collimation/protection Mobile radiographic equipment Structural provisions Shielding/protection
Method(s) of Instruction
- Lecture (02)
- DE Live Online Lecture (02S)
- Lab (04)
- DE Live Online Lab (04S)
Instructional Techniques
Lecture and application of ideas Individual and small group laboratory exercises Video and laboratory demonstration
Reading Assignments
Students will spend approximately 3 hours per week on reading from assigned text and materials.
Writing Assignments
Students will spend approximately 1 hour per week on writing assignments, including: 1. Some short essay questions in examination or quiz format 2. Laboratory individual or group projection summations
Out-of-class Assignments
Students will have 2 - 4 hours of outside activites to complete per week.
Demonstration of Critical Thinking
Periodic quizzes Written examinations Laboratory assignments requiring written summation of projects Attendance and participation in lab and lecture
Required Writing, Problem Solving, Skills Demonstration
Some short essay questions in examination or quiz format Laboratory individual or group projection summations
Eligible Disciplines
Radiological technology: Any bachelors degree and two years of professional experience, or any associate degree and six years of professional experience. Radiological technology: Any bachelors degree and two years of professional experience, or any associate degree and six years of professional experience.
Textbooks Resources
1. Required Statkiewicz, Mary. Radiation Protection in Medical Radiography, ed. St. Louis: Mosby, 2014 2. Required State syllabus . Syllabus on Fluoroscopy Radiation Protection, ed. Department of Public Health, Radiologic Health Branch State of California, 0 Rationale: . 3. Required Bushong, S.. Radiologic Science for Technologists, latest ed. St. Louis: Elsevier/Mosby, 2015
Other Resources
1. Computer Instructional Programs