ARRT Review Image Production Test Questions and Answers
ARRT Review Image Production Test Questions and Answers *Receptor exposure* Overall amount of radiation to reach IR *mAs* Controlling factor of receptor exposure (↑ mAs = ↑ receptor exposure) *Contrast* Difference between adjacent areas, kVp and LUT are controlling factors (kVp = *subject* contrast, LUT = *image* contrast) *Scatter* Blanket of fog (from kVp) *↑ kVp =* ↓ image contrast (because more scatter is produced) *↑ radiation absorbed in patient =* ↑ contrast *↑ radiation to IR =* ↑ receptor exposure
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