ARRT Registry Exam review Question already solved 2023

ARRT Registry Exam review Question already solved 2023What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media? a. bolus b. infusion c. extravasation d. luminal - correct answer a. bolus Which of the following methods utilizes a detector that captures x-ray energy and converts it into an electronic signal? a. indirect capture b. CCD c. cassette based radiography d. direct capture - correct answer d. direct capture The energy of a characteristic x-ray photon created when an L shell electron fills a K shell vacancy in a tungsten atom will have which of the following energies? a. 69.5 keV b. 57.5 keV c. 91.5 keV d. 12 keV - correct answer b. 57.5 keV The energy of characteristic photons is determined by the difference in binding energies between the two electron shells involved in the process, which in this question are K and L shells. 69.5 (K shell) minus 12 (L shell) equals 57.5. Identify the position that will place the positive contrast agent in the body of the stomach and pyloris during a