Fluoroscopy questions with correct answers

What is the milliamperage used during fluoroscopy? Answer 5 mA (During fluoroscopy, the x-ray tube is operated at less than 5 mA.) The image intensifier improved fluoroscopy by increasing image _____. Answer brightness The _____ in the retina are stimulated by _____ light; the _____ are stimulated by _____ light. Answer rods, low; cones, bright The output phosphor of the image intensifier is composed of _____. Answer cesium iodide The input phosphor converts _____ to _____. Answer x-rays, light The kinetic energy of photoelectrons in the image intensifier is greatly increased by the _____. Answer potential difference across the tube Light produced at the output phosphor of the image intensifier has been increased _____ times in intensity. Answer 50-75 Electrons hit the _____ after exiting the anode. Answer output phosphor The _____ is the product of the minification gain and the flux gain. Answer brightness gain