Radiologic Technology ARRT Review Questions and Answers
Attenuation: a. is radiation that emerges from the patient b. describes changes in the x-ray beam as it travels through the patient c. produces only scatter radiation d. occurs only at doses used in radiation therapy Describes changes in the x-ray beam as it travels through the patient Which photon-tissue interaction makes radiography possible because of its creation of image contrast? a. Compton b. Coherent c. Photoelectric d. Pair production Photoelectric Which photon-tissue interaction produces radiation that may expose others in the room during fluoroscopy? a. Compton b. Coherent c. Photoelectric d. Pair production Compton The SI unit of absorbed dose: a. Coulombs/kilogram b. Gray c. Curie d. Rad Gray The SI unit of radioactivity: a. Becqueral b. Rem c. Quality factor d. Curie Becqueral Measurement of positive and negative particles created when radiation ionizes atoms in the air: a. Becquerel b. Sievert c. Roentgen d. Curie Roentgen
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