Radiation Protection in Medical Radiography Exam 1 (Ch. 1-5) || Questions & Answers (Rated A+)

Radiation Protection in Medical Radiography Exam 1 (Ch. 1-5) || Questions & Answers (Rated A+) Radiation Protection in Medical Radiography Exam 1 (Ch. 1-5) || Questions & Answers (Rated A+) X-rays are - ANSWER - a form of ionizing radiation When passing through matter, ionizing radiation does what - ANSWER - produces negatively and positively charged particles (ions) that cause harm to biological tissues What are the six consequences of ionization in human cells - ANSWER - -creation of unstable atoms -production of free electrons -production of low energy x-ray photons -creation of reactive free radicals capable of producing substances poisonous to the cell -creation of new biologic molecules detrimental to the living cell -injury to the cell that may manifest itself as abnormal function or loss of function Effective measures employed by radiation workers to safeguard patients, personnel, and the general public from unnecessary exposure to ionizing radiation - ANSWER - radiation protection Electromagnetic radiation in the form of waves - ANSWER - radiant energy How is radiant energy emitted from the tube - ANSWER - in form of waves (or particles) How can we safely control the use of radiant energy - ANSWER - by using knowledge of radiation induced hazards gained many years ago, and by employing effective methods to limit or eliminate those hazards; selecting the right equipment and technique The use for safeguarding against significant and continued radiation exposure is based on - ANSWER - evidence of harmful biological effects Any radiation exposure that does not benefit a person in terms of diagnostic information obtained for the clinical management of medical needs or any radiation exposure that does not enhance the quality of the study - ANSWER - unnecessary exposure to ionizing radiation Degree to which a diagnostic study reveals the presence or absence of disease in the patient - ANSWER - Diagnostic efficacy Risk (in general terms) - ANSWER - the probability of injury, ailment, or death resulting from an activity Risk (in the medical industry) - ANSWER - the possibility of inducing a radiogenic cancer or genetic defect after irradiation BERT (Background Equivalent Radiation Time)