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Radt 146 Test 2 Exam Questions And
Correct Answers 100% Verified.
What does CR and DR stand for? - Answer✔Computerized radiography and digitized
radiography
The red laser light stimulates the - Answer✔Phosphor, which emits light based on the intensity
of the laser light
What color does the phosphor emit? - Answer✔Blue
What color cleans the plate? - Answer✔White
What's the purpose of the protective coat? - Answer✔Protects the phosphor crystals
What is the phosphor or active layer made of? - Answer✔Phosphors from the barium
fluorohalide family
Barium fluoroiodine
Barium fluorobromide
What does the active layer contain that prevents light spread? - Answer✔Light absorbing dye
What does photostimulable phosphor do? - Answer✔It is a phosphor that emits later
What is the purpose of the binder? - Answer✔Suspends the phosphor crystals
What does the photomultiplier tube do? - Answer✔Reads the blue violet light and converts it the
light to an electric signal
What is a ghosting artifact? - Answer✔Something that can happen with an incomplete erasure of
the imaging plate
The sensitivity number is __________ proportional to radiation striking detector -
Answer✔Inversely
Ex: 250 = underexposure
150= overexposure
The Exposure Index is used rather than S and is ________________ to radiation striking the IR -
Answer✔Directly proportional
1|Page
Radt 146 Test 2 Exam Questions And
Correct Answers 100% Verified.
What does CR and DR stand for? - Answer✔Computerized radiography and digitized
radiography
The red laser light stimulates the - Answer✔Phosphor, which emits light based on the intensity
of the laser light
What color does the phosphor emit? - Answer✔Blue
What color cleans the plate? - Answer✔White
What's the purpose of the protective coat? - Answer✔Protects the phosphor crystals
What is the phosphor or active layer made of? - Answer✔Phosphors from the barium
fluorohalide family
Barium fluoroiodine
Barium fluorobromide
What does the active layer contain that prevents light spread? - Answer✔Light absorbing dye
What does photostimulable phosphor do? - Answer✔It is a phosphor that emits later
What is the purpose of the binder? - Answer✔Suspends the phosphor crystals
What does the photomultiplier tube do? - Answer✔Reads the blue violet light and converts it the
light to an electric signal
What is a ghosting artifact? - Answer✔Something that can happen with an incomplete erasure of
the imaging plate
The sensitivity number is __________ proportional to radiation striking detector -
Answer✔Inversely
Ex: 250 = underexposure
150= overexposure
The Exposure Index is used rather than S and is ________________ to radiation striking the IR -
Answer✔Directly proportional
1|Page
