Radiography Final Exam With Complete Solutions
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Which of the following statements regarding scatter is true? - correct answers Scatter radiation has less energy
than the primary beam
A device for removing long wavelength radiation from the primary x-ray beam is a? - correct answers Filter
The anode or target of the x-ray tube is ________ charged - correct answers Positively
The cathode end of the x-ray tube is________charged - correct answers Negatively
More than 99% of the energy applied to an x-ray tube is converted into x-rays? - correct answers Heat
What type of radiation is produced in the anode by the sudden slowing and directional change of an incoming
electron? - correct answers Bremsstrahlung radiation
The purpose of rotating the x-ray tube target is to? - correct answers Increase the heat capacity of the anode
The anode heel affect is a phenomenon of extra production that results in? - correct answers Uneven
distribution of radiation within the field
The penetrating power of the x-ray beam is controlled by varying the? - correct answers Kilovoltage
Which of the following occurs when the mA is doubled? - correct answers Radiographic density increases
there are twice as many photons in the x-ray beam
The mAs used for an exposure determined the? - correct answers Quantity of radiation in the exposure
, An x-ray exposure is made using the following factors 400 mA, 0.02 seconds, 80kVp, 40 inches SID and the
large focal spot. What is that mAs for this exposure technique? - correct answers 8 mAs
The density in the radiographic image is primarily controlled by? - correct answers mAs
The ____________control panel is where the radiographer sets the exposure factors - correct answers Control
panel
What are the prime factors of exposure in radiography? - correct answers Milliamperage, exposure time,
kilovoltage, and source image receptor distance
The unit used to indicate the total quantity of x-rays and an exposure is? - correct answers mAs
If an image were made using 500 mA, 0.1 second, and 75 kVp what should the mAs be for this exposure? -
correct answers 50mAs
Which of the following if increased will result in increased radiographic density? - correct answers Increased
mA, exposure time, and kVp
If the radiographic image is over exposed which of the following changes and exposure factors should be used
to correct the problem? - correct answers Decrease mAs
The primary controlling factor of radiographic density is? - correct answers mAs
The primer controlling factor of contrast is? - correct answers Kilovoltage
When an image demonstrates great differences between the densities, the image is described as? - correct
answers High contrast
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