Image Acq. & Eval
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 | restricting the size of the x-ray field (Lange Radiography Prep Book, pg. 310)
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| show | absorb a large percentage of scatter radiation before it reaches the IR (Lange Radiography Prep Book, pg. 310)
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| show | grid with lead strips that are angled (Lange Radiography Prep Book, pg 312)
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| What is a crossed grid? | show 🗑
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| How do you determine grid ratio? | show 🗑
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| show | 2.5mm Al (Lange Radiolgraphy Prep Book, pg. 317)
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| What is considered inherent filtration? | show 🗑
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| show | manufacturer determined if machine is using above 70 kVp (Lange Radiography Prep Book, pg. 317)
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| What is the purpose of the anode heel effect? | show 🗑
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| When would you use a trough filter? | show 🗑
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| show | many similar image/ tissue densities that uses a higher kVp and larger field sizes (Lange Radiography Prep Book, pg. 338)
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| show | few, very different image/tissue densities that uses lower kVp and more "tigher" collimation (Lange Radiography Prep Book, pg. 338)
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| mAs controls what on a radiographic images? | show 🗑
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| T/F: the scale of contrast is controlled by mAs? | show 🗑
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| show | contrast (Lange Radiography Prep Book, pg. 340)
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| show | ionization chamber: beneth the table top, above the IR
phototimer: fluorescent screen underneath the IR (Lange Radiography Prep Book, pg. 351)
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| The result of poor patient positioning using AEC will produce what type of image? | show 🗑
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| If you increase the focal spot size, what does it do to your blur and detail? | show 🗑
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| show | smaller (Lange Radiography Prep Book, pg. 367)
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| What is a LUT? | show 🗑
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| Bit depth determines what? | show 🗑
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| show | small, small, large (Lange Radiography Prep Book, pg. 355)
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| What factors affect spacial resolution? | show 🗑
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| show | developer (Lange Review Radiography Prep Book, pg. 402)
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| Window width controls what? | show 🗑
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| show | brightness (Lange Radiography Prep Book, pg 377)
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| What system is a true indirect flat panel system? | show 🗑
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| show | x-rays are converted to light and then converted to electronic signal (Lange Radiography Prep Book, pg. 378)
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| How are x-rays converted in direct systems? | show 🗑
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| What is the scintillator composed of in a TFT indirect system? | show 🗑
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