SPI Exam Dumps | Which target group is used to evaluate transverse distance measurement accuracy in this tissue-mimicking

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ARDMS.SPI.v2025-12-29.q99
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Question 7/99

Which target group is used to evaluate transverse distance measurement accuracy in this tissue-mimicking phantom image?
A ultrasound image of a baby Description automatically generated with medium confidence

A. A

B. B

C. C

D. D

Correct Answer: C

Comprehensive and Detailed Explanation From Exact Extract:
In a tissue-mimicking phantom, the group of targets aligned side-by-side (horizontally) is used to evaluate transverse (lateral) distance measurement accuracy. In the image, target group C (in red) represents the lateral spacing targets.
Principles and Instrumentation state:
"Transverse distance accuracy is evaluated using laterally spaced targets in the phantom to verify correct lateral measurement calibration."
* Group A (top) is typically for near field assessment.
* Group B may be for axial resolution or cyst evaluation.
* Group D (deep) may assess depth calibration or sensitivity.
Therefore, the correct answer is C: C.

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