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8 Cards in this Set
- Front
- Back
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describe an xray cassette
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rigid, lightproof film holder designed to hold the film & intensifying screens in close contact
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intensifying screens convert x-ray radiation into ____ ____ which produces a ____ ____ onto the film
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visible light, latent image
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a cassette should be cleaned with ____ & ____
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mild soap & water
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3 properties that determine the efficiency of a screen
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1- must have high level of xray absorption
2- must have high xray-to-light conversion 3- there must be little/no afterglow once radiation has ceased |
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intensifying screens are sheets of ____ ____ _____
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luminescent phosphor crystals
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you can use ____ mAs settings when intensifying screens are used
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lower
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when the phospor crystals are struck by xradiation, the crystals ____
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flouresce
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the 4 layers of an intensifying screen
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1- base
2- reflective 3- phosphor crystal 4- protective |
