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RAD 100 Final review

Part 1

QuestionAnswer
What is the main function of an X-Ray beam Filtration? To increase the beam's energy
What happens as SID increases? Exposure rate decreases and receptor exposure decreases
Long-scale contrast Exhibits many shades of gray from white to black
What is the SI unit for radiation absorbed dose? Gray
What unit measures radiation dose to biologic tissue? Seivert (SV)
Primary Radiation? Exits the tube from the anode
What does the quality of the X-ray beam refer to? The energy of the X-Rays
Photoelectric absorption will not result in a? Scatter Photon
What does pair production create? A Positron and a Negatron
Coherent Scattering occurs when? A primary photon changes direction but with very little energy
What does Compton Scattering create? a Recoil Electron
_________________ makes up the X-Ray beam after it has traversed the patient Remnant radiation
At the time of exposure, the charge on the cathode side of the tube is? Negative
The total quantity of X-rays that reach the image receptor will increase when? kVp or mAs increases
The ______________ of an X-ray beam is controlled by the kVp and is primarily responsible for the energy of the X-rays produced Quality
Increasing the kV applied to the tube will? Increase the exposure rate
What follows the inverse square law? SID receptor exposure relationship
An X-ray tube? Decelerates electrons
An image demonstrating poor contrast resolution can be attributed to? Beam Restriction
_______________ is when an outer shell electron is removed by an X-Ray Compton Effect (Scatter)
What do most of the energy conversions in the X-Ray tube produce? Heat
Scatter radiation __________________________ as it passes through a material Changes directions
Created by: user-2016295
 



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