100% SOLVED ANSWERS.
Which of the following statements regarding scatter is true? Answer - Scatter
radiation has less energy than the primary beam
A device for removing long wavelength radiation from the primary x-ray beam
is a? Answer - Filter
The anode or target of the x-ray tube is ________ charged Answer - Positively
The cathode end of the x-ray tube is________charged Answer - Negatively
More than 99% of the energy applied to an x-ray tube is converted into x-rays?
Answer - Heat
What type of radiation is produced in the anode by the sudden slowing and
directional change of an incoming electron? Answer - Bremsstrahlung
radiation
The purpose of rotating the x-ray tube target is to? Answer - Increase the heat
capacity of the anode
The anode heel affect is a phenomenon of extra production that results in?
Answer - Uneven distribution of radiation within the field
, The penetrating power of the x-ray beam is controlled by varying the? Answer
- Kilovoltage
Which of the following occurs when the mA is doubled? Answer - Radiographic
density increases there are twice as many photons in the x-ray beam
The mAs used for an exposure determined the? Answer - 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? Answer - 8 mAs
The density in the radiographic image is primarily controlled by? Answer - mAs
The ____________control panel is where the radiographer sets the exposure
factors Answer - Control panel
What are the prime factors of exposure in radiography? Answer -
Milliamperage, exposure time, kilovoltage, and source image receptor distance
The unit used to indicate the total quantity of x-rays and an exposure is?
Answer - mAs
If an image were made using 500 mA, 0.1 second, and 75 kVp what should the
mAs be for this exposure? Answer - 50mAs
Which of the following if increased will result in increased radiographic
density? Answer - Increased mA, exposure time, and kVp