ARRT RADIOGRAPHY BOARD EXAM ACTUAL QUESTION AND
CORRECT DETAILED ANSWER NEWEST VERSION 2025/2026.
Limit dose during fluoroscopy at the tabletop may be no more
than ________ mGyᵃ per minute. - ANSWER-100
The larger matrix size digital display devices have better
________ resolution because they have ________ pixels. -
ANSWER-1) Spacial
2) Smaller
Smaller pixels and better spacial resolution allows for the
________ of a region of an image to render the smallest detail
visible. - ANSWER-Magnification
What is image flip? - ANSWER-When an image is flipped
horizontally or vertically to bring the image into standard view.
What is image inversion? - ANSWER-Changing the white areas on
the image black, and the black areas on the image white.
,Why might image inversion be used? - ANSWER-Because it may
make some pathology more visible.
Misregistration of a subtraction image can be corrected by
reregistering the image through a technique known as ________. -
ANSWER-Pixel Shift
________ radiology uses the numeric value of pixels to help in
diagnosis. - ANSWER-Quantitative
AMLCD's are fashioned ________ by ________. -
ANSWER-1) Pixel 2) Pixel
An AMLCD has a very intense white ________ that illuminates
each ________. - ANSWER-1) Backlight
2) Pixel
Each pixel of an AMLCD contains light-________ filters and
________ to control the intensity and color of light transmitted
through the pixel. - ANSWER-1) Polarizing
2) Films
The pixels in an AMLCD consists of ________ glass plate
substrates that are separated by ________ glass beads, and act
as spacers. - ANSWER-1) Two 1) Spherical
,How large are the spherical glass beads contained in the glass
plate substrates of an AMLCD pixel? - ANSWER-A few microns in
diameter.
Bus lines (conductors) control each pixel of an AMLCD with a
thin-________ transistor (TFT). - ANSWER-Film
With AMLCD, ________ resolution improves with the use of a
higher-megapixel digital display device. - ANSWER-Spacial
An AMLCD is a very ________ device. - ANSWER-Inefficient
Only about ________% of the backlight of an AMLCD is
transmitted through a monochrome monitor, and ________ of that
through a color monitor. - ANSWER1) 10
2) Half
Why is the luminescence of AMLCD so inefficient? - ANSWER-
Because light is absorbed in the filters and polarizers. Also due to
each pixel being blocked by the TFT and bus lines.
What is an aperture ratio? - ANSWER-The portion of the pixel face
that is available to transmit light.
, Aperture ratios of ________% and ________% are characteristic of
medical
AMLCD devices. - ANSWER-1) 50
2) 80
The term "active" in AMLCD refers to the ability to control
individually each ________ of the digital display device. The
________ is required for the active read. - ANSWER-1) Pixel
2) TFT
AMLCD's have better ________ definition than CRT's, and less
intrinsic
________. - ANSWER-1) Grayscale
2) Noise
AMLCD's are designed to better reduce the influence of ________
light on image
________. - ANSWER-1) Ambient
2) Contrast
The principal disadvantage of an AMLCD is the ________
dependence of viewing.
- ANSWER-Angular
Levels of ambient light at a workstation must be near ________
for best viewing. - ANSWER-Darkness
CORRECT DETAILED ANSWER NEWEST VERSION 2025/2026.
Limit dose during fluoroscopy at the tabletop may be no more
than ________ mGyᵃ per minute. - ANSWER-100
The larger matrix size digital display devices have better
________ resolution because they have ________ pixels. -
ANSWER-1) Spacial
2) Smaller
Smaller pixels and better spacial resolution allows for the
________ of a region of an image to render the smallest detail
visible. - ANSWER-Magnification
What is image flip? - ANSWER-When an image is flipped
horizontally or vertically to bring the image into standard view.
What is image inversion? - ANSWER-Changing the white areas on
the image black, and the black areas on the image white.
,Why might image inversion be used? - ANSWER-Because it may
make some pathology more visible.
Misregistration of a subtraction image can be corrected by
reregistering the image through a technique known as ________. -
ANSWER-Pixel Shift
________ radiology uses the numeric value of pixels to help in
diagnosis. - ANSWER-Quantitative
AMLCD's are fashioned ________ by ________. -
ANSWER-1) Pixel 2) Pixel
An AMLCD has a very intense white ________ that illuminates
each ________. - ANSWER-1) Backlight
2) Pixel
Each pixel of an AMLCD contains light-________ filters and
________ to control the intensity and color of light transmitted
through the pixel. - ANSWER-1) Polarizing
2) Films
The pixels in an AMLCD consists of ________ glass plate
substrates that are separated by ________ glass beads, and act
as spacers. - ANSWER-1) Two 1) Spherical
,How large are the spherical glass beads contained in the glass
plate substrates of an AMLCD pixel? - ANSWER-A few microns in
diameter.
Bus lines (conductors) control each pixel of an AMLCD with a
thin-________ transistor (TFT). - ANSWER-Film
With AMLCD, ________ resolution improves with the use of a
higher-megapixel digital display device. - ANSWER-Spacial
An AMLCD is a very ________ device. - ANSWER-Inefficient
Only about ________% of the backlight of an AMLCD is
transmitted through a monochrome monitor, and ________ of that
through a color monitor. - ANSWER1) 10
2) Half
Why is the luminescence of AMLCD so inefficient? - ANSWER-
Because light is absorbed in the filters and polarizers. Also due to
each pixel being blocked by the TFT and bus lines.
What is an aperture ratio? - ANSWER-The portion of the pixel face
that is available to transmit light.
, Aperture ratios of ________% and ________% are characteristic of
medical
AMLCD devices. - ANSWER-1) 50
2) 80
The term "active" in AMLCD refers to the ability to control
individually each ________ of the digital display device. The
________ is required for the active read. - ANSWER-1) Pixel
2) TFT
AMLCD's have better ________ definition than CRT's, and less
intrinsic
________. - ANSWER-1) Grayscale
2) Noise
AMLCD's are designed to better reduce the influence of ________
light on image
________. - ANSWER-1) Ambient
2) Contrast
The principal disadvantage of an AMLCD is the ________
dependence of viewing.
- ANSWER-Angular
Levels of ambient light at a workstation must be near ________
for best viewing. - ANSWER-Darkness
