Fluoroscopy questions with correct answers

In a modern fluoroscope, the fluoroscopic x-ray tube can be: Answer over or under the table The fluoroscope was invented by: Answer Thomas Edison Compared with a radiographic examination, the primary purpose of a fluoroscopic examination is to visualize Answer Dynamic Images Fluoroscopy normaly requires a tube current of Answer 1 to 5 mA Compared with radiography, the x-ray technique required for fluoroscopy calls for which kind of mA Answer Lower mA Automatic Brightness Stabilization (ABS) is designed to compensate for changes in what? Answer Patient positioning and Patient composition The bucky slot cover of a fluoroscope is what kind of device Answer protective Units of measurement used to express fluoroscopic image brightness is Answer cd/m^2 Which structure is most sensitive to color? Answer cones What is the function of the iris? Answer control the light level