ARRT Radiography Exam (Mosby Review)Questions & Answers

Ionizing Radiation - answer-radiation that is able to remove electrons from an atom through ionization Somatic effects - answer-refers to the effects of radiation to the body being irradiated Genetic Effects - answer-refers to effects of radiation to a germ cell's genetic code; effects the next generation Primary radiation - answer-radiation exiting the x-ray tube Remnant radiation (or Exit Radiation) - answer-x-rays the leave the patient and strike the image receptor attenuation - answer-absorption and scatter of the x-ray beam as it passes through the patient heterogenous beam - answer-x-ray beam that has photons of many different energies photoelectric effect - answer-absorption of x-ray photons in the body compton effect - answer-scatter of x-ray photons in the body air kerma - answer-unit of exposure