ARRT registry review covering image acquisition and evaluation content area.
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| The chief advantages of SF imaging | show 🗑
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| Any combination of mA and time that will produce a given mAs will produce identical receptor exposure | show 🗑
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| show | inverse square law
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| As distance is decreased, the intensity of the x-ray beam | show 🗑
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| show | increased
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| Responsible for most of the scattered radiation that reaches the IR | show 🗑
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| show | collimation
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| A device that functions to absorb a large percentage of scattered radiation before it reaches the IR | show 🗑
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| The addition of a grid must be accompanied by an ______ in mAs | show 🗑
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| Angulation against the lead strips causes | show 🗑
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| show | uniform loss of exposure
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| show | 10:1 or 12:1
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| show | 2.5-mm Al
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| show | the overall average energy of the beam
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| Example of destructive conditions | show 🗑
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| Example of additive conditions | show 🗑
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| kV affects the ___________ of the x-ray beam | show 🗑
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| show | 15%
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| Used to provide more uniform radiographic density when imaging structures having widely different attenuation coefficients | show 🗑
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| Two-dimensional picture element | show 🗑
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| the number of bits per pixel and identifies the values of gray | show 🗑
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| a graphic representation of pixel value distribution demonstrating the number of pixels and their value | show 🗑
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| controls the shades of gray | show 🗑
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| show | window level
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| The ______ the contrast resolution, the better the ability to see similar adjacent gray shades | show 🗑
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| show | high; short
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| show | low; long
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| show | positioning and centering
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| ___________ improves with smaller pixel size, smaller pixel pitch, and larger image matrix | show 🗑
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| show | noise
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Created by:
rgrieger
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