Which one of these are the most common source-image distances used in clinical situations?
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Spatial resolution improves with a/an _______ in motion blur…
Spatial resolution improves with a/an _______ in motion blur and a/an ________ in geometric blur.
The image of a spherical shaped object that is exposed by th…
The image of a spherical shaped object that is exposed by the central portion of an x-ray beam will appear to have a:
When imaging the pelvis, changing from 14 × 17 collimation t…
When imaging the pelvis, changing from 14 × 17 collimation to 8 × 10 collimation requires:
The spaces between the lead strips of a grid are called:
The spaces between the lead strips of a grid are called:
How does decreasing kVp affect differential attenuation?
How does decreasing kVp affect differential attenuation?
A radiology department’s routine protocol is to complete kne…
A radiology department’s routine protocol is to complete knee exams with the use of a grid. However, in a portable situation, the technologist does not have a grid and decides to complete the exam without a grid and without making any changes to the technique. How will the image quality change without the use of the grid?
When should a grossly overexposed image be repeated?
When should a grossly overexposed image be repeated?
A kVp above 90 requires at least a ratio of:
A kVp above 90 requires at least a ratio of:
How is secondary radiation produced?
How is secondary radiation produced?