Term
| radiographic image quality |
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Definition
| a radiograph that faithfully reproduces structure and tissues |
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Term
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Definition
| the ability to image small objects that have high subject contrast (ie breast microcalcification) |
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Term
| contrast resolution (subject contrast) |
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Definition
| the ability to distinguish anatomical structures of similar subject contrast (ie liver and spleen) |
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Term
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Definition
| random fluctuation in the optical density of the image (also called fog) |
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Term
| what are the 3 types of noise |
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Definition
| film graininess, structure mottle, and quantum mottle |
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Term
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Definition
| when there are not enough x-rays (sowing grass seed analogy) |
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Term
| what can you do to reduce quantum mottle? |
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Definition
| high mAs, low kVp, and a slower image receptor |
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