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Signal, Filtration, Lower mA Setting, Small Focal Spot, Increased Exposure…
Signal
Filtration
Increased
Increased HVL
Reduces Quantity of X-rays
Decreased
Increased x-ray beam quantity
Lower mA Setting
Quantum Mottle
Controlled by radiograapher
Small Focal Spot
Increases
Spatial Resolution
Maximize recorded detail in the image
Increased Exposure Time
Increases
Increased mA and kVp
Shorter Exposure Time
Decreases
Increased SID
Decrease Pixel Depth
Reduces Contrast
Increased SID
Large Focal Spot
Decreases
Increase OID
Decreasing kVp
Large kVp
Limiting Spatial Resolution (LSR)
Modulation Transfer Function (MTF)
Measure
Increase Collimation
Decrease Window Width
Unwanted fluxuations in the brightness of an image
Noise
Compress body part
Decreased SID
Increase Matrix Size
Lower Ratio Grid