Arrt Exam Review Questions And 100% Correct Answers

ARRT EXAM REVIEW QUESTIONS AND 100% CORRECT ANSWERS 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 refers to the right of every individual to act with personal self -reliance ✅Autonomy Which of the following positions demonstrates all the paranasal sinuses? ✅lateral The parietoacanthial (Waters' method) projection demonstrates the ✅maxillary sinuses.