RTBC - Fundamentals of Digital
Radiography UPDATED ACTUAL Exam
Questions and CORRECT Answers
Which of the following components is not utilized for computed radiography systems? -
CORRECT ANSWER - Developer
Which two of the following materials may be used in the construction of the computed
radiography imaging plate outer cassette? - CORRECT ANSWER - Carbon fibers and
plastic
The conductor layer within the computed radiography imaging plate is responsible for which of
the following? - CORRECT ANSWER - Decreasing electrostatic charge
Which of the layer of the computer radiography imaging plate prevents unwanted light and
background radiation from affecting the unprocessed latent image? - CORRECT
ANSWER - Light shield layer
Which layer of the computed radiography imaging plate is responsible for creating the latent
image from the transmitted x ray photons exiting the patient? - CORRECT ANSWER -
Phosphor layer
The phosphor layer of the computed radiography imaging plate is composed of? - CORRECT
ANSWER - Barium fluorohalides and Europium activators
The term "latent image" is used to describe the: - CORRECT ANSWER - Stored energy
within the fluorohalides
The thin, active layer within the computed radiography cassette stores which of the following? -
CORRECT ANSWER - Latent image
, What is another name for the conductive layer of a computed radiography plate? - CORRECT
ANSWER - Antistatic layer
An x ray photon is absorbed with the phosphor layer of a computed radiography plate through
what type of interaction? - CORRECT ANSWER - Photoelectric interaction
Which of the following materials is responsible for storing the latent image with the computed
radiography imaging plate? - CORRECT ANSWER - PSP - Photo stimulable phosphor
What is the name of the device that is needed to transfer the latent image within the imaging
plate to a viewable digital radiograph? - CORRECT ANSWER - Imaging plate
reader/digitizer
What is the purpose of the laser within the computed radiography digitizer? - CORRECT
ANSWER - Release latent image from the photo stimulable phosphor layer PSP
What is the role of the photomultiplier tube within the computed radiography system? -
CORRECT ANSWER - Collect and multiply the light photons and convert them into
electrons
The primary function of the analog to digital converter within the computed radiography imaging
plate reader is to convert: - CORRECT ANSWER - Electrical signals into a digital signal
Which of the following devices may be used in place of the photomultiplier tube within a
computed radiography image reader system? - CORRECT ANSWER - Charged couple
device (CCD)
When should a computed radiography imaging plate be processed to prevent loss of the latent
image? - CORRECT ANSWER - As soon after exposure as possible
The most common computed radiography imaging plate reader contains which of the following?
- CORRECT ANSWER - Analog to digital converter and focusing lens
Radiography UPDATED ACTUAL Exam
Questions and CORRECT Answers
Which of the following components is not utilized for computed radiography systems? -
CORRECT ANSWER - Developer
Which two of the following materials may be used in the construction of the computed
radiography imaging plate outer cassette? - CORRECT ANSWER - Carbon fibers and
plastic
The conductor layer within the computed radiography imaging plate is responsible for which of
the following? - CORRECT ANSWER - Decreasing electrostatic charge
Which of the layer of the computer radiography imaging plate prevents unwanted light and
background radiation from affecting the unprocessed latent image? - CORRECT
ANSWER - Light shield layer
Which layer of the computed radiography imaging plate is responsible for creating the latent
image from the transmitted x ray photons exiting the patient? - CORRECT ANSWER -
Phosphor layer
The phosphor layer of the computed radiography imaging plate is composed of? - CORRECT
ANSWER - Barium fluorohalides and Europium activators
The term "latent image" is used to describe the: - CORRECT ANSWER - Stored energy
within the fluorohalides
The thin, active layer within the computed radiography cassette stores which of the following? -
CORRECT ANSWER - Latent image
, What is another name for the conductive layer of a computed radiography plate? - CORRECT
ANSWER - Antistatic layer
An x ray photon is absorbed with the phosphor layer of a computed radiography plate through
what type of interaction? - CORRECT ANSWER - Photoelectric interaction
Which of the following materials is responsible for storing the latent image with the computed
radiography imaging plate? - CORRECT ANSWER - PSP - Photo stimulable phosphor
What is the name of the device that is needed to transfer the latent image within the imaging
plate to a viewable digital radiograph? - CORRECT ANSWER - Imaging plate
reader/digitizer
What is the purpose of the laser within the computed radiography digitizer? - CORRECT
ANSWER - Release latent image from the photo stimulable phosphor layer PSP
What is the role of the photomultiplier tube within the computed radiography system? -
CORRECT ANSWER - Collect and multiply the light photons and convert them into
electrons
The primary function of the analog to digital converter within the computed radiography imaging
plate reader is to convert: - CORRECT ANSWER - Electrical signals into a digital signal
Which of the following devices may be used in place of the photomultiplier tube within a
computed radiography image reader system? - CORRECT ANSWER - Charged couple
device (CCD)
When should a computed radiography imaging plate be processed to prevent loss of the latent
image? - CORRECT ANSWER - As soon after exposure as possible
The most common computed radiography imaging plate reader contains which of the following?
- CORRECT ANSWER - Analog to digital converter and focusing lens
