LMRT ARRT EXAM (2024) || With Questions & Answers (100% Accurate)
LMRT ARRT EXAM (2024) || With Questions & Answers (100% Accurate)
X-ray equipment capable of producing 70 kVp or more is required to have total filtration of at least: - ANSWER - 2.5 mm Al equiv
The purpose of rotating the ano...
, LMRT ARRT EXAM (2024) || With
Questions & Answers (100% Accurate)
X-ray equipment capable of producing 70 kVp or more is required to have total
filtration of at least: - ANSWER - 2.5 mm Al equiv
The purpose of rotating the anode of the X-ray tube is to - ANSWER - Increase the
heat capacity of the anode
Image sharpness is determined by the - ANSWER - Size of the effective focal spot
Above 70 kVp, what percentage of photons is created by the bremsstrahlung
process? - ANSWER - 85%
The amount detail seen in the X-ray image is referred to as - ANSWER - spatial
resolution
Of what material is the filament made? - ANSWER - Tungsten
Of what material is the target/anode made? - ANSWER - Tungsten
What is added to port to remove the long-wavelength radiation? - ANSWER -
aluminum 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? - ANSWER - Thermionic emission
The cathode side of the X-ray tube is - ANSWER - Negative
The anode side of the X-ray tube is - ANSWER - Positive
What are the two rotation speeds for the anode? - ANSWER - 3,600 rpm and 10,000
rpm
What type of radiation production makes up the greatest portion of the X-ray beam-
bremsstrahlung or characteristic? - ANSWER - Brehmsstrahlung
How much aluminum filtration must be in the x-ray tube to meet government
standards? - ANSWER - 2.5mm Al equiv
The anode heel effect is most pronounced when using which size of IR - ANSWER -
14x17in IR
What type of motor is used to turn the anode inside the X-ray tube? - ANSWER -
Induction motor
The amount of detail or resolution seen in the radiographic image Is referred to -
ANSWER - Spatial resolution
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