ARRT review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | pixel size decreases, resolution increases (Saia, 232)
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| show | increases (Saia, 234)
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| As KvP increases, radiographic contrast_______. | show 🗑
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| As KvP increases, exposure rate ______. | show 🗑
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| X-ray photon energy is ______ related to wavelength. | show 🗑
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| show | Ma (Saia, 236)
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| show | Pixel (Saia, 240)
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| What is 3 dimensional, travels in the 2 plane, and is the depth of a pixel? | show 🗑
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| As FOV increases, pixel size ______. | show 🗑
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| show | magnified (Saia,242)
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| Low contrast, _____ scale. | show 🗑
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| show | short (saia, 243)
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| Osteoporosis, osteomalacia, and degenerative arthritis require a _______ in exposure factor | show 🗑
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| show | decrease (Saia 245)
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| show | increase (Saia 245)
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| show | increase (Saia 245)
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| As KvP increases, the wave length gets ____. | show 🗑
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| As KvP increases, patient absorption ____. | show 🗑
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| _____ illustrates pixel value distribution that is representative of a grayscale, and there are different ones for each body part. | show 🗑
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| show | algorithm, scatter, SID, SOD, OID, collimation, positioning, centering (Saia 247)
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| The quantity of photons produced at the focal spot is a result of Ma, so an increase in focal spot size will ______ exposure rate | show 🗑
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| Diagnostic x-rays are _____ frequency and ______ wavelength. | show 🗑
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| On lateral chest, outer photocells are selected, the film will be ______ and _____ density because the x-ray will be terminated almost immediately. | show 🗑
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| Scatter radiation produces ____ on a film & _____ contrast, makes it have a _____ scale. | show 🗑
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| As DEL increases, __________ increases | show 🗑
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| show | Spatial resolution decreases (saia 256)
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| show | longer (saia 256)
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| show | shorter (saia 256)
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| show | further (Saia 257)
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| Magnification in fluoro is accomplished by selecting a ____ part of the ____ phosphor | show 🗑
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| show | anatomical part and projection (Saia 258)
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| show | decrease (saia 260)
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| To make a noticeable change in density, increase mAs by ____ %. | show 🗑
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| show | longer (saia 269)
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| As grid radio is increased, the scale of contrast gets ______. | show 🗑
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| To compensate for every 1 inch of OID, an increase of ____ inch of SID is required. | show 🗑
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| Using high Kvp ______ exposure latitude. | show 🗑
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| As Kvp increases, it produces _____ scale contrast. | show 🗑
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| As window level increases, _____ increases. | show 🗑
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| Window level is associated with image ______. | show 🗑
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| Window width is associated with image _____. | show 🗑
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| show | high, low contrast, longer scale (Wallace 83)
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| show | low, high contrast, short scale (Wallace 83)
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| High contrast = _____ scale contrast | show 🗑
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| show | long (Wallace 76)
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| Scattered radiation _____ contrast | show 🗑
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| High Kvp= _____ scatter= _____ contrast image | show 🗑
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| show | less, high (Wallace 85)
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| show | increases (Wallace 102)
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| A small focal spot ______ recorded detail. | show 🗑
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| Air gap _____ contrast & _____ density. | show 🗑
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| Use of filtration ______ density and contras. | show 🗑
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| SID and density are _____ proportional. | show 🗑
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| show | inversely (Wallace 176)
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| A grid with a higher ratio has more lead, and ____ density. | show 🗑
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| A large collimation field size produces ____ scatter and ____ density. | show 🗑
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| A high screen speed _____ density. | show 🗑
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| show | directly (Wallace 176)
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| SID _____ contrast. | show 🗑
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| show | directly (Wallace 178)
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| Focal spot ______ contrast. | show 🗑
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| Increase in collimation size, _____ contrast. | show 🗑
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| show | less, higher(more) (saia 264)
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| show |
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