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10 Cards in this Set

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  • Back
1. The major reason that image intensified fluoroscopy is employed is that it allows for:
dynamic viewing
2. Portable intensified fluoroscopy used for diagnostic purposes must not exceed
3. The time over which the human eye can store a visual image is termed:
integration time
4. The normal view distance for binocular vision is:
12-15 in
5. Most modern image intensifiers use an input fluorescent screen layer that is composed of:
cesium iodide
6. The conversion of light energy into a proportional amount of electrons is accomplished by a/an:
7. The output screen of an image intensifier functions to convert:
electrons into light
8. The squared ratio of input screen to output screen is called:
minification ratio
9. Distortion, which occurs with an image intensifier tube that demonstrates a dimmer density image at the periphery, is called:
10. The random pattern of scattered radiation, which often results in an image intensifier tube has the appearance of “snow” or “crawling ants” is:
quantum noise