Fluoroscopy
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| What is the primary function of the fluoroscope? | To provide real-time dynamic viewing of anatomic structures.
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| Who invented the fluoroscope and when? | Thomas A. Edison in 1896
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| What kind of image does the radiologist view during fluoroscopy? | A continuous image of the motion of the internal structures while the x-ray tube is energized.
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| What is a spot film? | A permanent fixed image that is taken without interrupting the fluoro examination so the radiologist can have it for a later study.
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| Where is the x-ray tube located for a fluoroscopy exam? | under the examination table
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| Where is the image intensifier located? | Over the patient examination table
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| What is automatic brightness control or (ABC)? | Allows the radiologist to select an image brightness level that is subsquently maintained automatically by varying the kVp, the mA, or sometimes both.
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| What is the principal advantage of image-intensified fluroscopy over earlier types of fluoroscopy? | Increased image brightness
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| What are rods and cones? | Structures in the eye that are responsible for the sensation of vision
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| Where are the cones located? | At the center of the retina in an area called the fovea centralis
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