RADT 1075 exam 1 questions & answers 2024/2025
An increased part thickness results in: - ANSWERSincreased beam attenuation ( beam absorption)
A body tissue with an increased tissue density results in: - ANSWERSincreased beam attenuation
Unwanted exposure to the IR due to scatter radiatio...
An increased part thickness results in: - ANSWERSincreased beam attenuation ( beam absorption)
A body tissue with an increased tissue density results in: - ANSWERSincreased beam attenuation
Unwanted exposure to the IR due to scatter radiation is called: - ANSWERSfog
Brightness/density is a quality related to the _____________ of the radiographic image. -
ANSWERSVisibility of structures
Contrast is a quality related to the ______ of the radiographic image - ANSWERSVisibility of structures
The amount of luminance of a display monitor is: - ANSWERSbrightness
The overall blackness on the processed film image is: - ANSWERSdensity
Difference in the brightness levels or densities is: - ANSWERSimage contrast
The number of shades of gray that can be displayed by a computer system is: - ANSWERSGrayscale
A radiographic image with a large number of similar densities that have small differences between them:
- ANSWERSAll the above: appears gray, has long scale contrast, has low contrast
The quality of a radiographic image depends on:
A. Brightness - visibility of analog mic structures
, B. Accuracy of the recorded an atomic structural lines
C. Contrast - visibility of an atomic structures - ANSWERSA,B and C
The smallest object that can be detected in an image is the: - ANSWERSspatial resolution ( recoded detail
)
The accuracy of the anatomical structural lines recorded in the radiographic image is determined: -
ANSWERSSpatial resolution
Radiographic misrepresentation of the size or shape of the anatomic structure being imaged is:
A. Magnification
B. Elongation
C. Foreshortening
D. All of the above - ANSWERSAll of the above
Shape distortion includes:
A. Magnification
B. Elongation
C. Size distortion
D. All of the above - ANSWERSElongation
As seen on the radiographic image, scatter radiation: - ANSWERSdecreases the visibility of anatomic
structures
With radiographic imaging, anatomic tissues, such as bone, that absorb most of the radiation result in
that area of the image being: - ANSWERSlighter (less density)
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