2026 QUESTIONS AND SOLUTIONS
GUARANTEED TO PASS
◉ What is spot films? Answer: - radiographic images taken during
fluoro
-static image
◉ What is angiography? Answer: -fluoro of the vessels
◉ Who invented fluoroscopy? Answer: -Thomas Edison in 1896
◉ Describe the first fluoro tube. Answer: - light tight, hand held, metal
cone
-cone bottom-fluorescent screen
-cone top-viewing window
◉ Define fluorescence. Answer: -visible light after stimuli (energy)
◉ Who was the first radiation death? Answer: -Clarence Dally
-1904
, ◉ Describe a conventional fluoroscopy tube. Answer: -Tube attached to
mobile carriage
-leaded glass (reduce radiologist exposure)
-used barium platinocyanide, cadmium tungstate, zinc-cadmium sulfide
-Roentgens plates were coated with platinocyanide
◉ List some qualities of conventional fluoroscopy. Answer: -image very
dim
-dark adaptation required (15 min in dark for eyes to adjust)
-retina insensitive to long wavelength light
-high pt. and operator exposure
◉ What is a Pedoscope? Answer: -shoe fitting fluoro
-2 viewers
-exposure time-15sec
-phased out in 1950s
◉ What is Image-Intensified fluoroscopy? Answer: -replaced
conventional fluoroscopy
-tube below, II (Image Intensifier on top)
-carriage tube can operate in both fluoroscopic and radiographic modes