Champa Ch 1 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Principles of Radiographic Exp | Answer |
Photopic | Cones |
Scotopic | Rods |
Photographic Properties | Density, Contrast |
Geometric Properties | Detail, Distortion |
Density | Overall Blackness |
Contrast | Differences in adjacent densities |
Detail | Sharpness of lines |
Distortion | Misrepresentation of the true size or shape of the image as compared to the object |
Low Contrast | Many shades of grey |
High Contrast | Black and white |
Day Vision | Photopic |
Night Vision | Scotopic |
Veil Glare | Bright light floods the eye and reduces contrast perception |
Mach Effect | The eye percieves a boundary between differing densities |
Pattern Recognition | Comparing mental images of patterns to arrive at a diagnosis |
Why two images at 90 * angles | To achieve a three dimensional image |
Recorded Detail | What is on film |
Visibility Detail | What we can see |
mAs | Milliamp seconds-current times seconds |
kVp | Kilovolt peak-energy of x-ray |
Screen | turns x-ray into light |
Grid | absorbs x-rays and improves contrast |
Filtration | Absorbs low energy x-rays |
Pathology | Changes density of tissues |
SID | Source to Image Distance |
High Density | Too Dark |
Low Density | Too Light |
Size Distortion | Always Magnification |
Motion | Destroys detail |
Communication to patient | Best way to control motion |
Created by:
Ranapipins
Popular Miscellaneous sets