Exposures 1 Class -Waldron
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sthenic | heavy in muscle and bone
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As kvp increases | latitude for subject contrast increases
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Define Characteristic Radiation | Emitted when outer electron fills orbit of inner shell electron.
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Destructive Disease | Increase in air or fat/decrease normal body fluid and bone
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Name two additive diseases. | Cardiomegaly and ascites
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What is the average size of a small focal spot? | .6mm
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Adding restrainers to developer solution prevents development of silver crystals and helps to | Prevent chemical fog
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Total quantity of electricity which flowed through the circuit durin an exposure is measured by | mAs
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Name two destructive diseases | Bowel Obstruction and osteoporosis
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Formula for grid ratio | H/D
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Ability of produced light to escape the phosphor layer and reach the film is called | Emission Efficiency
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An x ray beam with higher kvp will be able to _______ more types of tissue | penetrate
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Longer SID ____penymbra and ______ sharpness | reduces, increases
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All equipment operating above 70 kvp must have a total minimum filtration of _____ mm of aluminum. | 2.5
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H and D curves are also known as | Sensitiometric and characteristic
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Pi lines run _____ to film travel and occur every ___ inches using __ in rollers | Perpendicular, 3.14 inches, 1 inch
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Average energy of a beam is ___ of its maximum power | 1/3
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What is the field size formula? | D1/D2=F1/F2 or D1/F1=D2/F2
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Changes in field size are directly proportional to changes in ____ ratio | OID
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Remnant radiation is also called ____ forming radiation | image
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Photoelectric effect occurs in ___ shell | inner
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Compton effect occurs in ____ shell | outer
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What is the top of an H and D curve called? | Shoulder
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To maintain density,For every 5 degrees of tube anguation, you should ____ 1 inch SID? | subtract
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X rays are emitted | isotropically
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The amount of darkening from the black metallic silver deposited on the film is called | density
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Primary exposure factor for regulating contrast | kvp
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When changing kvp, we will have an effect on | density contrast and penetration
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Image unsharpness and OID are ____ proportional | directly
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What is the proper order of steps for automatic processing of a film | develop, fix, wash, dry
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According to therionic emission, all____ bodies emit_____ | hot, electrons
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the steeper the anode bevel angle, the____ the focal spot size. | smaller
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