ARRT registry review covering image acquisition and evaluation
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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| show | Size (magnification) Shape (elongation/foreshortening)
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| What measurement is used to express recorded detail? | show 🗑
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| show | Increase it
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| What type of relationship does focal spot size have with recorded detail? | show 🗑
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| List two ways to minimize voluntary motion | show 🗑
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| show | Short exposure time Support and stabilization Immobilization devices
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| show | Decreases
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| What is the term form luminescence that lingers after x-ray is terminated? | show 🗑
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| What type of relationship does mAs have with density? | show 🗑
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| What type of relationship does kVp have with contrast | show 🗑
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| What is the conversion factor for an 8:1 grid? | show 🗑
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| How much of a change in mAs is necessary to create a noticeable change in density? | show 🗑
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| show | reduce patient dose
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| show | Number of lead strips per inch
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| Anode heel effect creates greater intensity at which end of the beam? | show 🗑
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| show | Increases
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| High contrast is what type of scale? | show 🗑
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| What does short scale contrast do to film latitude? | show 🗑
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| What type of relationship does kVp have with scatter radiation? | show 🗑
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| show | Absorbs scatter radiation before it reaches IR
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| show | 0.2
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| Name the two types of AEC's | show 🗑
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| show | Inverse
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| What effect does an increase in focal spot size have on recorded detail? | show 🗑
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| List three rare earth phosphers | show 🗑
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| show | Conversion efficiency
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| What effect does the use of an intensifying screen have on patient dose? | show 🗑
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| show | Density
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| As thickness and density of a tissue increases, what happens to the production of scattered radiation? | show 🗑
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| show | Decrease it
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