Ch 11 Wallace Geometric Factors affecting recorded detail
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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recorded detail is | the sharpness of the lines of the image
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Visibility of detail is the _______quality of the finished radiograph | overall
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The abililty of an imaging system to record two adajacent structures as seperate structures | resolution
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_________ is used to measure recorded detail | resolution grid
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one metal line and the space next to it is called a | line pair
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unsharpness | penumbra
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if penumbra increases, recorded detail | decreases
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describes the amount of recorded detail | edge gradient
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penumbra decreases recorded detail | increases
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A small focal spot produces a (better, worse) recorded detail | better
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A small OID produces a (better, worse) recorded detail | better
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SOFU= | SID, OID, Focal Spot, Unsharpness
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A large SID produces a ____recorded detail | better
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Magnification increases, detail | decreases
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Magnification decreases, detail | increases
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If focal spot size is increased, amount of unsharpness | increases
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If OID increases | unsharpness increases
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