Answers (Grade A+)
What is the GSDF standard? -
correct answer ✅Grayscale Standard display function
What is the function of GSDF? -
correct answer ✅Make sure that every monitor should display the
same image or grayscale
A LUT is defined by a standard called -
correct answer ✅DICOM PS3.14
DICOM PS3.14 is a standard that controls the: -
correct answer ✅Look-up table (LUT) of the monitor display
DICOM PS3.14 -
correct answer ✅Ensure image should look exactly the same.
Prescribe the brightness and contrast for radio graphic images
when displayed on a pacs system
luminescence -
correct answer ✅Brightness of the monitor
,Arrt Board Exam Questions &
Answers (Grade A+)
What are the monitor evaluations? -
correct answer ✅Distortion - lines are not straight
Luminescence - areas of brightness
Spatial resolution - line pairs
Display contrast -comparing different shades of gray and black and
white
What does PACS stands for? -
correct answer ✅Picture Archiving and Communication Systems
GSDF ensure that -
correct answer ✅All images are displayed with the correct
brightness and contrast
What is non-conformity to the DICOM PS3.14 standard may result
in? -
correct answer ✅Incorrect display contrast
What is ambient room lightning? -
correct answer ✅Brightness of the radiologist reading room?
, Arrt Board Exam Questions &
Answers (Grade A+)
Which test is used for ambient room lightning? -
correct answer ✅Luminescence metrr
What percentage must the actual center of the x ray beam must
align to the centering indicator within? -
correct answer ✅1% of the SID
What percentage must the actual SID must be for the indicated
SID? -
correct answer ✅Plus or minus 2%
It can be 2% higher or 2% lower
If the SID is 72 in, tolerance is plus or minus 1.44 inches. Solve -
correct answer ✅72 x 0.02=1.44
Answer is 70.56 up to 73.44 in
Add 1.44+72=73.44
Subtract 72-1.44=70.56