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rad107

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QuestionAnswer
Inherent Filtration This takes place when the primary beam passes through the glass window of the X-ray tube, the insulating oil, and the tubehead seal.
What is inherent and added filtration called? Total Filtration
Collimation This is used to restrict the size and shape of the X-ray beam and to reduce patient exposure
PID-position indicating device This appears as an extension of the X-ray tubehead and is used to direct the X-ray beam
What devices are used to limit a patient's exposure during dental x-rays? Thyroid collar, lead apron, digital sensors or fast films, and beam alignment devices
_____ % of electrons are converted into X-rays 1%
medical imaging department functions totally independent of other departments and in staff in a hospital setting. false
Which rule is used as a guide to maintain the same receptor exposure, when kVp changes? 15% rule
The relationship between exposure and SID is inversely proportional to the square of the distance
The effect of mAs upon IR exposure is Directly proportional
As you analyze your image, you come to the conclusion that it must have more exposure. As a general rule, you should increase mAs by 2X
Spatial resolution is improved when OID decreases and SID increases
As the kVp increases, the percentage of x-rays that undergo a ________ interaction will increase. Compton
The factors that affect x-ray emission under the direct control of the radiographer are called the _________ factors. Prime
Elongation and Forshortening are examples of Shape Distortion
Size distortion in conventional radiography can be ____________ only Magnification
Created by: bighunt
 

 



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