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Radiographic Positioning and related Anatomy

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
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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