| Term | Definition |
|---|
| Inversely, square | Intensity of radiation at a given distance from the source is ________ proportional to the ______ of the distance |
| Io/In=dn^2/do^2 | Inverse square law formula |
| Density | Degree of blackness on a film due to x-ray exposure |
| mAs | Primary control factor of density |
| mAs, density | Increases in ___ result in proportional increases in radiographic _______ same with decreases |
| Same, same | Different mA/time combinations that result in ____ mAs should produce the ____ density |
| Light, dark | If a radiography is too _____ (underexposed) or too ____ (overexposed) raise or lower mAs proportionally (double or halve) |
| 35 | At least a __% increase in mAs is required for a noticeable density change |
| Increases, decreases | As distance _________, x-ray intensity _________ resulting in decreased film density |
| mAso/mAsn=Do^2/Dn^2 | Exposure (Film Density) Maintenance Formula |
| Contrast | Differences in adjacent densities on a radiographic image (white, shades of gray, black) |
| kVp | Primary control factor of contrast |
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