LMRT ARRT EXAM WITH QUESTIONS AND ANSWERS 100% GUARANTEED SUCCESS (2024 UPDATED).

LMRT ARRT EXAM WITH QUESTIONS AND ANSWERS 100% GUARANTEED SUCCESS (2024 UPDATED). Roentgen discovered x-rays while working with a _____ tube? - CORRECT ANSWERCrookes An "electron cloud" surrounding the filament of the cathode is referred to as a - CORRECT ANSWER-Space charge Free electrons of X-ray production come from the - CORRECT ANSWER-Filament The creation of the space charge in the X-ray tube produces: - CORRECT ANSWERthermionic emission The majority of photons in the X-ray beam are created by which process? - CORRECT ANSWER-Bremsstrahlung interactions More than 99% of the energy of the electron stream is converted into: - CORRECT ANSWER-heat the high-speed rotation (10,000 rpm) of the anode enables - CORRECT ANSWERGreater dissipation of heat from high technical factors The degree of angulation of the x-ray tube target will determine the: - CORRECT ANSWER-size of the actual and effective focal spot A dual-focus X-ray tube has: 1: Two filaments 2: Two focal spot sizes 3: Two anodes - CORRECT ANSWER-1 and 2 The anode heel effect is a phenomenon of X-ray production that results in: - CORRECT ANSWER-Uneven distribution of radiation within the x-ray field The penetrating power of the X-ray beam is controlled by varying the - CORRECT ANSWER-Peak kilovoltage (kVp) The rate flow of current flow across the X-ray tube is measured in - CORRECT ANSWER-mA Doubling the mA will result in 1: increased patient dose 2: twice as many photons in the X-ray beam 3: increased radiographic density - CORRECT ANSWER-1, 2, and 3 The unit used to indicate the total quantity of X-ray expose is - CORRECT ANSWERMillionsampere-seconds (mAs) The device for removing long-wavelength radiation from the primary X-ray beam is the - CORRECT ANSWER-Filter X-ray equipment capable of producing 70 kVp or more is required to have total filtration of at least: - CORRECT ANSWER-2.5 mm Al equiv The purpose of rotating the anode of the X-ray tube is to - CORRECT ANSWERIncrease the heat capacity of the anode Image sharpness is determined by the - CORRECT ANSWER-Size of the effective focal spot Above 70 kVp, what percentage of photons is created by the bremsstrahlung process? - CORRECT ANSWER-85% The amount detail seen in the X-ray image is referred to as - CORRECT ANSWERspatial resolution Of what material is the filament made? - CORRECT ANSWER-Tungsten Of what material is the target/anode made? - CORRECT ANSWER-Tungsten What is added to port to remove the long-wavelength radiation? - CORRECT ANSWERaluminum filtration What is the term used to describe the heating of a element to a hot temperature and the expanding of the electrons in a atom? - CORRECT ANSWER-Thermionic emission The cathode side of the X-ray tube is - CORRECT ANSWER-Negative The anode side of the X-ray tube is - CORRECT ANSWER-Positive What are the two rotation speeds for the anod