Digital Radiography: An introduction Chapter 3 (Euclid Seeram)
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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| ____ ________ refers to X-ray exposure of the phosphor plate storage. | show 🗑
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| show | latent image
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| The _____ _____ contains the photostimulable phosphor. | show 🗑
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| The phosphors that meet the certain radiological requirements are ____ _____ _____ _______. | show 🗑
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| The phosphor is usually doped with _________ , which acts as an activator to improve the efficiency of PSL. | show 🗑
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| When x-rays fall upon the PSP IP, the europium atoms are ionized by the radiation and the electrons move from the valence band to the _______ ____. | show 🗑
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| Electrons in the conduction band are in a higher energy state and free to move into an electron trap known as the __ ______. | show 🗑
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| The number of trapped electrons is ________ to the absorbed radiation. | show 🗑
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| show | Photostimulated excitation
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| The laser light in the CR reader causes the trapped electrons to move up to the conduction band, where they are free to return to the ______ ____. | show 🗑
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| show | photostimulable luminescence
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| show | photomultiplier tube
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| The time it takes for the latent image to disappear. | show 🗑
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| The PSL decreases by about 25% if the time between exposure and image reading is ___ hours or more. | show 🗑
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| show | phosphor layers
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| show | sharper
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| show | High resolution IPs
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