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LMRT ARRT EXAM with 135 Questions and answers Newest 2025 100% PASS

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LMRT ARRT EXAM with 135 Questions and answers Newest 2025 100% PASSLMRT ARRT EXAM with 135 Questions and answers Newest 2025 100% PASSLMRT ARRT EXAM with 135 Questions and answers Newest 2025 100% PASS

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LMRT ARRT EXAM with 135 Questions and
answers Newest 2025 100% PASS

Roentgen discovered x-rays while working with a _____ tube? - Correct Answers Crookes
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llt An "electron cloud" surrounding the filament of the cathode is referred to as a - Correct Answers Space charge
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llt Free electrons of X-ray production come from the - Correct Answers Filament
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llt The creation of the space charge in the X-ray tube produces: - Correct Answers thermionic emission
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llt The majority of photons in the X-ray beam are created by which process? - Correct Answers Bremsstrahlung
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llt interactions



llt More than 99% of the energy of the electron stream is converted into: - Correct Answers heat
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llt the high-speed rotation (10,000 rpm) of the anode enables - Correct Answers Greater dissipation of heat
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llt from high technical factors llt llt llt




llt The degree of angulation of the x-ray tube target will determine the: - Correct Answers size of the actual and
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llt effective focal spot llt llt




llt A dual-focus X-ray tube has:
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1: Two filaments
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2: Two focal spot sizes
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3: Two anodes - Correct Answers 1 and 2
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, llt The anode heel effect is a phenomenon of X-ray production that results in: - Correct Answers Uneven
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llt distribution of radiation within the x-ray field llt llt llt llt llt llt




llt The penetrating power of the X-ray beam is controlled by varying the - Correct Answers Peak kilovoltage (kVp)
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llt The rate flow of current flow across the X-ray tube is measured in - Correct Answers mA
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llt Doubling the mA will result in llt llt llt llt llt llt




1: increased patient dose
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2: twice as many photons in the X-ray beam
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3: increased radiographic density - Correct Answers 1, 2, and 3
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llt The unit used to indicate the total quantity of X-ray expose is - Correct Answers Millionsampere-seconds
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llt (mAs)



llt The device for removing long-wavelength radiation from the primary X-ray beam is the - Correct Answers
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llt Filter



llt X-ray equipment capable of producing 70 kVp or more is required to have total filtration of at least: - Correct
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llt Answers 2.5 mm Al equiv llt llt llt llt




llt The purpose of rotating the anode of the X-ray tube is to - Correct Answers Increase the heat capacity of the
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llt anode



llt Image sharpness is determined by the - Correct Answers Size of the effective focal spot
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llt Above 70 kVp, what percentage of photons is created by the bremsstrahlung process? - Correct Answers 85%
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llt The amount detail seen in the X-ray image is referred to as - Correct Answers spatial resolution
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