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Quality Factors

Factors affecting Radiographic Quality

QuestionAnswer
What are the four radiographic factors? Density, Contrast, Recorded Detail, Distortion
If mAs increases what changes occur to radiographic factors? Density increases
If kVp increases what changes occur to radiographic factors? Density increases, Constrast lowers
If OID increases what changes occur to radiographic factors? Contrast higher, Recorded Detail decreases, Distortion increases
If SID increases what changes occur to radiographic factors? Density decreases, Recorded Detail increases, Distortion decreases
If focal spot size increases what changes occur to radiographic factors? Recorded Detail decreases
If grid ratio increases what changes occur to radiographic factors? Density decreases, Contrast highers
If filtration increases what changes occur to radiographic factors? Density decreases, Contrast lowers
If film-screen combinations increases what changes occur to radiographic factors? Density increases, Recorded Detail decreases
If beam restriction increases what changes occur to radiographic factors? Density decreases, Recorded Detail decreases
If motion increases increases what changes occur to radiographic factors? Recorded Detail decreases
How does the anode heel effect radiographic factors? Density decreases
If patient factors (size) increases what changes occur to radiographic factors? Density decreases, Contrast lowers, Recorded Detail decreases, Distortion increases
If angle (tube, part or receptor) increases what changes occur to radiographic factors? Distortion occurs (if CR is angled image is elongated; if object is angled image will be foreshortened)
Created by: radtechstudent
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