Radiographic Positioning and related Anatomy
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show | Density, Contrast, Spatial Resolution, Distortion
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The amount of blackness on a processed radiograph is called? | show 🗑
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Which specific exposure factor controls the quality or penetrating ability of the x-ray beam? | show 🗑
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Exposure Time (ms) | show 🗑
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show | The range of exposure over which a film produces an acceptable image.
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The 3 common types of compensating filters | show 🗑
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List the 3 geometric factors that control or influence image resolution | show 🗑
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show | Brightness, Contrast, Spatial Resolution, Distortion, Exposure Indicator, Noise.
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List the four primary controlling factors for distortion | show 🗑
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List the terms describing the two pixel sizes used in digital image | show 🗑
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show | mAs, kV, Total Detector Area Irradiated, Objects Exposed.
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show | Image Plates, IP Reader, Technologist QC Workstation.
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Annotation | show 🗑
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show | Increasing brightness along the margins of structures to increase the visibility of the edge
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Image Reversal | show 🗑
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show | Enlarging all or part of an image
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show | The application of specific image processing to reduce the display of noise in an image
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show | Removing background anatomy to allow visualization of contrast media-filled structures.
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P.A.C.S. | show 🗑
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show | Digital Imaging Communications Medicine
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show | A computer system that supports the operation of a radiology department. Includes exams, order processing, scheduling, registration, report archiving, film tracking and billing
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HIS (Hospital Information System) | show 🗑
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show | Health Care Level 7
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show | Image Receptor
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OID | show 🗑
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DR | show 🗑
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AEC | show 🗑
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Windowing | show 🗑
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show | Representative of the number of shades of gray that can be demonstrated by each pixel
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Noise | show 🗑
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Exposure level | show 🗑
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Central Ray | show 🗑
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Display Matrix | show 🗑
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show | The intensity of light that represents the individual pixels in the image on the monitor
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show | The difference in brightness between light and dark areas of an image
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Exposure Indicator | show 🗑
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show | Picture element; an individual component of the image matrix
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Window level | show 🗑
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show | Controls the range of gray levels of an image (the contrast)
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Algorithms | show 🗑
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show | Changing or enhancing the electronic image so that it can be viewed from a different perspective or its diagnostic quality can be improved
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Spatial Resolution | show 🗑
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show | mAs
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show | To light, double mAs.
To dark, cut mAs in half.
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show | The intensity od radiation emitted from the cathode end of the x-ray tube is greater than that emitted at the anode end.
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show | Used to absorb much of the scatter radiation before it hits the IR.
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show | The unsharp edges of objects in the projected image
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show | Motion patients control such as breathing
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Involuntary Motion | show 🗑
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distortion | show 🗑
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ALARA | show 🗑
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show | Gray (rad)
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show | Sievert (or rem)
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What is the annual dose limit for occupationally exposed workers? | show 🗑
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show | 10 mSv (1 rem) x age in years
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show | Wedge filter
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Which type of compensating filter permits soft tissue and bony detail of the should to be equally visualized? | show 🗑
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show | Grid
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show | 10 x 12 in"
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show | 8 x 10 in"
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show | 14 x 17 in"
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30 x 35 cm | show 🗑
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24 x 24 cm | show 🗑
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18 x 43 cm | show 🗑
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Image Gently | show 🗑
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Image wisely | show 🗑
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show | Coulombs per kilogram (c/kg) of air
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Radiation absorbed dose (rad) | show 🗑
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show | Sievert (Sv)
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What is the maximum dose limit for a pregnant technologist per month? | show 🗑
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show | 5 mSv (500 mrem)
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show | 1 mSv (0.1 rem)
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TLD | show 🗑
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OSL | show 🗑
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