Term
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Definition
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Term
OD of 4.0
only 1 in 10,000 light photons penetrates film |
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Definition
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Term
| the controlling factor of density |
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Definition
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Term
kVp
focal spot size
SID
anode heel effect
filtration
beam restriction
anatomical part
grid
IR
film processing |
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Definition
| 10 influencing factors of density |
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Term
| a __% increase in kVp causes a ___ of exposure to the IR |
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Definition
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Term
| a __% decrease in kVp causes a ___ of exposure to IR |
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Definition
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Term
| calibrated by the manufacturer |
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Definition
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Term
| alters intensity of beam according to inverse square law |
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Definition
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Term
| IR exposure is always greater at the cathode end |
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Definition
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Term
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Definition
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Term
| reducing primary beam field size reduces total number of photons available thus reducing amount of scatter radiation and reducing density |
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Definition
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Term
| reducing primary beam field size reduces total number of photons available thus reducing amount of scatter radiation and reducing density |
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Definition
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Term
| the patient is prime attenuator, thus ___ has great influence on density |
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Definition
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Term
| aborbs scatter that would otherwise add to density |
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Definition
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Term
| both film and intensifying screens alther film density |
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Definition
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Term
| condition of chemicals can alter film density |
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Definition
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Term
| radiation fog ___ contrast of image |
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Definition
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