FLUORO ERIKA EXAM QUESTIONS
AND ANSWERS
The accelerating anode in the image intensifier is positively charged
to attract the negative photoelectron stream -
correct answer ✅true
Who is credited with the invention of fluoroscopy? -
correct answer ✅Thomas Edison in 1896
The most common material used for the input phosphor in an
image intensifier is: -
correct answer ✅cesium iodine
What happens when electrons strike the output phosphor? -
correct answer ✅light is emitted
Where does photoemission take place? -
correct answer ✅photocathode
The image intensifier is a vacuum tube and is responsible for a
decrease in image brightness. -
correct answer ✅false
AND ANSWERS
The accelerating anode in the image intensifier is positively charged
to attract the negative photoelectron stream -
correct answer ✅true
Who is credited with the invention of fluoroscopy? -
correct answer ✅Thomas Edison in 1896
The most common material used for the input phosphor in an
image intensifier is: -
correct answer ✅cesium iodine
What happens when electrons strike the output phosphor? -
correct answer ✅light is emitted
Where does photoemission take place? -
correct answer ✅photocathode
The image intensifier is a vacuum tube and is responsible for a
decrease in image brightness. -
correct answer ✅false
