ARRT EXAM REVIEW Test Questions with Correct Solutions, A+

According to the National Council on Radiation Protection and Measurements (NCRP), the gestational dose-equivalent limit for embryo/fetus of a pregnant radiographer is - 0.5 mSv The annual occupational whole-body dose-equivalent limit for students under the age of 18 years is - 1 mSv (100 mrem or 0.1 rem) The amount of time that x-rays are being produced and directed toward a particular wall is referred to as the - use factor number of x-ray exposures made per week - workload Patient dose increases as fluoroscopic - FOV decreases The interaction between x-ray photons and tissue that is responsible for radiographic contrast but that also contributes significantly to patient dose is - the photoelectric effect Pair production occurs only at very high energy levels, at least - 1.02 MeV Which of the following voltage ripples is (are) produced by single-phase equipment - 100% voltage ripple Early symptoms of acute radiation syndrome include - leukopenia, nausea and vomiting Early symptoms of acute radiation syndrome include - Lanthanum oxybromide Gadolinium oxysulfide The moral principle that describes the radiographer's aspiration to do no harm or to allow no act that might cause harm to the patient is termed - nonmaleficence