Marys Q4 ImgEqS22
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| The ratio of incident x-rays on the input phosphor to light photons exiting the output phosphor is called ____gain | show 🗑
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| A charge-coupled device used in digital fluoroscopy provides high | show 🗑
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| show | rods, low, cones, bright
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| show | 5,000-30,000
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| Fluoroscopy for an air contrast barium enema is generally done at ____kVp | show 🗑
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| show | True
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| show | patient dose, light sensitivity
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| show | Voltage
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| show | increase
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| show | increase
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| show | Hybrid subtraction
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| The kinetic energy of photoelectrons in the image intensifier is greatly increased by the ____ | show 🗑
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| The output phosphor of the image intensifier is composed of | show 🗑
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| show | Interrogation
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| show | dynamic
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| show | output phosphor
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| show | Photocathode
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| The ____is the product of minification gain and flux gain | show 🗑
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| Who invented the fluoroscope | show 🗑
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| With image intensification the light level is raised to____vision | show 🗑
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| show | input phosphor
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| show | contrast resolution, spatial resolution, and patient dose
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| show | increase
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| show | input phosphor
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| The image intensifier improved fluoroscopy by increasing image____ | show 🗑
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| What is the milliamperage used during fluoroscopy | show 🗑
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| Automatic brightness control maintains the brightness of the image by varying____ | show 🗑
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| show | x-rays, light
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| Describe purpose of electrostatic lenses | show 🗑
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| show | 50-75
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| Digital fluoroscopy uses at least ___monitor(s) | show 🗑
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| The capability of an image intensifier to increase the illumination level of the image is called its____ | show 🗑
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| What is the purpose of fluoroscopy | show 🗑
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