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Module 2

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
After scanning the PSP's bar code, the software of the plate-reading device associates what?   show
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Scanning the bar code is extremely important to ensure that the __________ is linked to the correct __________ and tells the computer software what type of __________ ________ to use for an image of a particular __________ structure.   show
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show Bar-Code sticker; Cassette-Based  
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show An individual patient and a specific exam  
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show A rotating polygonal mirror and point scanner  
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show Light Guide; Photomultiplier Tube  
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The photomultiplier tube of a PSP plate reader converts the light into an __________ __________ which is then ___________ by the _________.   show
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show laser beam; Phosphors; Phosphor layer; Energy; Light; Latent Image  
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show Light guide; Light; Photomultiplier tube; ADC; Digital Signal  
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Any remaining energy left on a PSP plate after digitizing the light photons is removed during the ________ process when exposing the plate to ______ ______ ______ removes the remaining __________.   show
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show Plate Reader or image detector (what the hell is an "image detector"?)  
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show Pixel  
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The Detector Element (DEL) in a Flat Panel Detector collects ________ that are extracted from the ___________ ________ and are converted into a ____________ _______ by an _______. This is the process that creates the image that is displayed on the monitor   show
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________ size controls the recorded detail or spatial resolution for Flat Panel Detectors and cannot be changed by the Technologist.   show
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CCD's and CMOS both need a __________ to convert __________ photons into __________.   show
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show Light; Electrons; Silicon; Light  
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With CCD's, when the electrons are released in proportion to the light striking it, __________ of charged ___________ are moved one row at a time by __________ the ___________ of adjacent _________.   show
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As the computer analyzes the image data that the ADC extracts from the PSP plate, a key step for the PSP receptor is recognizing _____________ ________ _________.   show
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show Entire plate; Both  
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What can happen if the PSP plate reader does not recognize exposure or collimation border?   show
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show Exposure; Receptor  
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The X axis of a histogram is the __________ line representing _____________ ___________.   show
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show Vertical; Number of pixels per exposure.  
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A Type 3 Histogram is unique because it takes into account a significant ___________ object such as a ___________ hip or stomach full of __________.   show
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With the Type 3 histogram, the attenuating object adds an additional ____________ to an otherwise normally distributed histogram.   show
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show Two or more predefined histogram data values  
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show Patient  
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Due to Automatic rescaling, the technologist has no visual cue of __________________.   show
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show Technologists; Exposure to a receptor  
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show A histogram analysis of the distribution of radiation intensities.  
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show Receptor  
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Fuji and Konica call their EI's an _____ _______, which represents a ___________ ___________.   show
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show EI; Exposure Index  
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show Inversely proportional  
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With Fuji, Konica and Phillips the higher the exposure received would do what with their EI's and what is the EI used by each?   show
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show lgM = logarithm of the Histogram Median  
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For Agfa, as the exposure increases what happens to their exposure indicators?   show
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show REX; Directly proportional  
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The Siemens Flat Panel Detector uses an Exposure indicator value of _______.   show
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If a PSP plate is processed with the wrong anatomical menu what can happen?   show
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Optimal EI ranges for PSP systems are best set by the _____________ who can evaluate the level of acceptable __________ which is very similar to the way images are evaluated in a __________ environment.   show
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A device that may be linked directly to the x-ray unit that measures the actual patient entrance skin dose with accurately calibrated equipment is a ______ ______ _________.   show
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The DAP meter is useful in determining _________ ________ dose but does not indicate the amount of ___________ received by the ___________ ___________.   show
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show No  
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Film digitizers can contribute additional _____________ to digitized images if the digitizer isn't ____________ __________ or when there is ___________ or ________ on the film.   show
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show Degrade; Subsequent Images  
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show EI; Miscalculated; Underexposed; Contrast and Brightness  
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show Exposures; Technique and Subject Factors  
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show Entire; Exposed; Collimated Border  
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