ARRT Radiography Exam (Mosby Review) Questions and Answers
Ionizing Radiation radiation that is able to remove electrons from an atom through ionization Somatic effects refers to the effects of radiation to the body being irradiated Genetic Effects refers to effects of radiation to a germ cell's genetic code; effects the next generation Primary radiation radiation exiting the x-ray tube Remnant radiation (or Exit Radiation) x-rays the leave the patient and strike the image receptor attenuation absorption and scatter of the x-ray beam as it passes through the patient heterogenous beam x-ray beam that has photons of many different energies photoelectric effect absorption of x-ray photons in the body compton effect scatter of x-ray photons in the body air kerma unit of exposure gray unit of absorbed dose gray(a) unit of radiation absorbed in air gray(t) unit of radiation absorbed in tissue sievert unit of effective dose or unit of equivalent dose becquerel unit of activity uncontrolled area general public area, like waiting room or stairways controlled area occupied by people trained in radiation safety and wear radiation badges/monitors
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