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Health Careers Education
Radiation Protection
Content is designed to present an overview of the principles of radiation protection, including the responsibilities of the radiographer for patients, personnel, and the public. Radiation health and safety requirements of federal and state regulatory agencies, accreditation agencies, and heath care organizations are incorporated.
Lara Skaggs
-Identify and justify the need to minimize unnecessary radiation exposure of humans.
-Distinguish between somatic and genetic radiation effects.
-Differentiate between stochastic (probabilisitic) and non-stochastic (deterministic) effects of radiation exposure.
-Explain the objectives of a radiation protection program.
-Define radiation and radioactivity units of measurement.
-Identify dose equivalent limits (DEL) for occupational and non-occupational radiation exposure.
-Describe the ALARA concept.
-Identify the basis for occupational exposure limits.
-Distinguish between perceived risk and comparable risk.
-Describe the concept of the negligible individual risk level (NIRL)
-Identify ionizing radiation sources from natural and man-made sources.
-Comply with legal and ethical radiation protection responsibilities of radiation workers.
-Calculate dose equivalent limits (DEL) with reference to the latest National Council on Radiation Protection and Measurements (NCRP) reports.
-Describe the theory and operation of radiation detection devices.
-Identify appropriate applications and limitations for each radiation detection device.
-Describe how isoexposure curves are used for radiation protection.
-Identify performance standards for beam-limiting devices.
-Describe procedures used to verify performance standards for equipment and indicate the potential consequences if the performance standards fail.
-Describe the operation of various interlocking systems for equipment and indicate potentialconsequences of interlock system failure.
-Identify conditions and locations evaluated in an area survey for radiation protection.
-Distinguish between controlled and non-controlled areas and list acceptable exposure levels.
-Describe "Radiation Area" signs and identify appropriate placement sites.
-Describe the function of federal, state and local regulations governing radiation protection practices.
-Describe the requirements for and responsibilities of a radiation safety officer.
-Express the need and importance of personnel monitoring for radiation workers.
-Describe personnel monitoring devices, including applications, advantages, and limitations for each device.
-Interpret personnel monitoring reports.
-Compare values for dose equivalent limits for occupational radiation exposures (annual and lifetime)
-Identify anatomical structures that are considered critical for potential late effects of whole body irradiation exposure.
-Identify dose equivalent limits for the embryo and fetus in occupationally exposed women.
-Distinguish between primary and secondary radiation barriers.
-Demonstrate how the operation of various x-ray and ancillary equipment influences radiation safety and describe the potential consequences of equipment failure.
-Perform calculations of exposure with varying time, distance and shielding.
-Discuss the relationship between workload, energy, HVL, tenth value layer (TVL), use factor and
shielding design.
-Identify emergency procedures to be followed during failures of x-ray equipment.
-Demonstrate how time, distance, and shielding can be manipulated to keep radiation exposures to a minimum.
-Explain the relationship of beam limiting devices to patient radiation protection.
-Discuss added and inherent filtration in terms of the effect on patient dosage.
-Explain the purpose and importance of patient shielding.
-Identify various types of patient shielding and state the advantages and disadvantages of each type.
-Use the appropriate method of shielding for a given radiographic procedure.
-Explain the relationship of exposure factors to patient dosage.
-Identify the appropriate image receptor that will result in an optimum diagnostic image with the minimum radiation exposure to the patient.
-Select the immobilization techniques used to eliminate voluntary motion.
-Describe the minimum source-to-tabletop distances for fixed and mobile fluoroscopic devices.
-Apply safety factors for the patient (and others) in the room during mobile radiographic procedures.

Registered Radiological Technologist -

ARRT Radiography Core Curriculum

Bushong, Stewart C.. Radiologic
Science for Technologists. 0-323-02555-2. Philadelphia: Elsevier
Publishing, 2004.

Bushong, Stewart C.. Radiologic
Science for Technologists, Workbook. 0-323-02554-4. Philadelphia: Elsevier
Publishing, 2004.

Radiation Protection in Medical Radiography 5th
Edition, by MA. Sherer, E. Ritenour, P.

Workbook for Radiation Protection in Medical
Radiography 5th Edition, by
MA. Sherer, E. Ritenour, P. Visconti

Registered Radiological Technologist - ARRT

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Career Cluster Pathway Career Major
Health Science Diagnostic Services Radiologic Technologist