PRINCIPLE OF EXPOSURE AND IMAGE QUALITY
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| DESCRIBE ONE PRIME FACTORS OF EXPOSURE - mA | CONTROLS THE # OF ELECTRONS PRODUCED AT THE FILAMENT AND THE QUANITY OF XRAY PHOTONS PRODUCED AT THE NODE
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| DESCRIBE ONE PRIME FACTOR OF EXPOSURE - Exposure Time | CONTROLS HOW LONG THE ELECTRONS CROSS FROM CATHODE TO ANODE. AND HOW LONG THE EXPOSURE WILL LAST
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| DESCRIBE ONE PRIME FACTOR OF EXPOSURE - kVp | CONTROLS THE SPEED (kinetic energy) OF THE ELECTRONS CROSSING FROM CATHODE TO ANOTE AND THE QUALITY (PENETRATING ABILITY) OF THE XRAY PHOTONS PRODUCED
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| DESCRIBE ONE PRIME FACTOR OF EXPOSURE - SID | THE DISTANCE BETWEEN THE XRAY TUBE TARGET AND THE IR
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| DEFINE DENSITY: | REFERS TO HOW DARK OR BLACK AND IMAGE APPEARS
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| DEFINE CONTRAST: | REFERS TO THE DIFFERENCE IN DENSITY BETWEEN ADJACENT AREAS ON AND IMAGE
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| DEFINE DISTORTION | REFERS TO MISREPRESENTATION IN SIZE AND/OR SHAPE OF AN OBJECT ON AN IMAGE
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| DEFINE DETAIL: | REFERS TO THE VISUAL CLARITY OR SHARPENESS OF AN IMAGE
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| LIST THE PRIMARY CONTROLLER OF DENSITY AND WHAT HAPPENS TO DENSITY IF IT IS CHANGED. | A) mAs B) mAs increase = Density Decreased C) mAs decreased = Density Increased
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| LIST THE PRIMARY CONTROLLER OF CONTRAST AND WHAT HAPPENS TO CONTRAST IF IT IS CHANGED. | A)kVp B) AS kVp Increase - Contrast Decreases C) As kVp Decreases - Contrast Increases
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| DIFFERENTIATE BETWEEN SHORT-SCALE AND LONG-SCALE CONTRAST | A) LONG-SCALE = LOW CONTRAST B) SHORT-SCALE = HIGH CONTRAST
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| DESCRIBE WHAT HAPPENS TO SIZE DISTORTION WHEN SIDE & OID ARE CHANGED | SID INCREASED = SIZE DISTORTION DECREASES SID DECREASED = SIZE DISTORTION INCREASES OID INCREASED = SIZE DISTORTION INCRESES OID DECREASED = SIZE DISTORTION DECREASES
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| DESCRIBE WHAT HAPPENS TO SHAPE DISTORTION WHEN BEAM ANGLE, CR/IR/BODY PART ALIGNMENT IS CHANGED | A BEAM ANGULATION INCREASES - SHAPE DISTORTION INCREASES - WHEN ANGULATION DECREASES SHAPE DISTORTION DECREASES
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| DESCRIBE THE EFFECTS OF SIZE AND SHAPE DISTORTION ON RECORDED DETAIL | AN IMAGE VARIES IN ITS SHARPNESS
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| DESCRIBE HOW VOLUNTARY AND INVOLUNTARY MOTION CAN BE AVOIDED | VOLUNTARY - GOOD PT INSTRUCTION AND COMMUNICATION INVOLUNTARY - PROPER POSITIONING - IMMOBILIZATION - SHORT EXPOSURE TIME
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