What does compression affect in the ultrasound image?
A.
The number of lines displayed
B.
The shades of gray displayed
C.
The temporal resolution
D.
The elevational resolution
The Answer Is:
B
This question includes an explanation.
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Compression reduces the dynamic range of the returning echoes, which alters how many shades of gray are displayed. It compresses the range of signal amplitudes to fit into the grayscale display range.
According to sonography instrumentation reference:
“Compression alters the dynamic range, adjusting how many shades of gray are displayed to optimize image contrast.”
Therefore, the correct answer is B: The shades of gray displayed.
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