Bushong Ch 12 Guide Questions with Correct Answers
Computed Radiography (CR) - correct answers cassette or cassette-based digital radiography; the digital
acquisition modality that uses storage phosphor plates to produce images
Which uses cassettes, CR or DR? - correct answers Computed Radiography (CR)
Photos timulable luminescence - correct answers The emission of visible light from the photos timulable
phosphor when stimulated by a high-intensity laser beam.
Europium (Eu) - correct answers activator in PSL; responsible for storage
latent image - correct answers invisible image created after exposure but before processing ;
"unprocessed cassette"
Photos timulable phosphor (PSP) - correct answers a phosphor used in CR plates to absorb the x-ray
energy and store it until it is processed by a special unit and laser light
Layers of PSP screen/plate - correct answers protective layer
phosphor layer
reflective layer
BASE
antistatic layer
turbid - correct answers PSP particles scatter light excessively
storage phosphor screen (SPS) - correct answers screens that store electrons in a metastable state; OR
the phosphor layer
2 types of SPS - correct answers1. Conventional powder PSP (common)
2. Needle PSP
Computed Radiography (CR) - correct answers cassette or cassette-based digital radiography; the digital
acquisition modality that uses storage phosphor plates to produce images
Which uses cassettes, CR or DR? - correct answers Computed Radiography (CR)
Photos timulable luminescence - correct answers The emission of visible light from the photos timulable
phosphor when stimulated by a high-intensity laser beam.
Europium (Eu) - correct answers activator in PSL; responsible for storage
latent image - correct answers invisible image created after exposure but before processing ;
"unprocessed cassette"
Photos timulable phosphor (PSP) - correct answers a phosphor used in CR plates to absorb the x-ray
energy and store it until it is processed by a special unit and laser light
Layers of PSP screen/plate - correct answers protective layer
phosphor layer
reflective layer
BASE
antistatic layer
turbid - correct answers PSP particles scatter light excessively
storage phosphor screen (SPS) - correct answers screens that store electrons in a metastable state; OR
the phosphor layer
2 types of SPS - correct answers1. Conventional powder PSP (common)
2. Needle PSP
