RAD BIO STUDY GUIDE QUESTIONS AND ANSWERS, GRADED A+/ VERIFIED.[LATEST EXAM UPDATES]

RAD BIO STUDY GUIDE QUESTIONS AND ANSWERS, GRADED A+/ VERIFIED. Radiographers have a professional and ethical responsibility to keep patient dose levels as low as reasonably achievable. True or False - -True BERT is an acronym that stands for - -Background exposure removal task Airline pilots and frequent fliers can receive increased exposure. True or False - -True Examples of nonionizing radiation can include all of the following except: visible light infrared rays microwaves gamma rays radio waves low energy ultraviolet radiation - -Gamma rays ~ ionizing radiation x-rays, gamma rays, & high energy ultraviolet radiation above 10 eV Which of the following is a special form of radiation that is capable of creating electrically charged particles by removing orbital electrons from the atom of the material with which it interacts? - - Ionizing Radiation Patients who have an understanding of the medical benefits of an imaging procedure because they received factual information about the study before having the examination are more likely to - - Overcome any radiation phobia and be willing to assume a small risk of possible biologic damage Some consequences of ionization in human cells include 1. creation of unstable atoms 2. production of free electrons 3. creation of free radicals capable of producing toxic substances to the cell - -1, 2, and 3 4. creation of reactive free radicals capable of producing substances poisonous to the cell 5. creation of new biologic molecules detrimental to the living cell 6. injury to the cell that may manifest itself as abnormal function or loss of function Proper dose (optimum kVp with lowest mAs) Accurate positioning Collimation Shielding Communication These are all examples of practicing which concept? - -ALARA Alpha particles are unable to - -Unable to penetrate a single sheet of paper Which of the following is true? 1. only the radiologist, and the radiographer all share a responsibility to keep radiation doses as low as possible 2. The referring physician, the radiologist, and the radiographer all share a responsibility to keep radiation doses as low as possible - -The referring physician, the radiologist, and the radiographer all share a responsibility to keep radiation doses as low as possible Which of the following is a method that can be used to answer patient questions about the amount of radiation received from a radiographic procedure? - -BERT background exposure removal task Beta particles are the same as a helium atoms without the electrons. True or False - -False ~ Alpha particle Beta: are identical to high-speed electrons except for their origin Cosmic radiation occurs in which two forms? - -Solar and galactic Terrestrial radiation includes which of the following sources? 1. Long-lived radioactive elements, such as uranium-238, radium-226, and thorium-232 that are present in variable quantities in the crust of the earth 2. Radioactive fallout from nuclear weapons tests in which detonation occurred above ground 3. The sun and the stars - -Long-lived radioactive elements, such as uranium-238, radium-226, and thorium-232 that are present in variable quantities in the crust