Elevational resolution concerns distinguishing objects in which plane?

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Multiple Choice

Elevational resolution concerns distinguishing objects in which plane?

Explanation:
Elevational resolution is about distinguishing objects that lie in the direction perpendicular to the imaging plane—the elevational plane. In ultrasound, the image is formed in a plane, but the beam has thickness in the elevation direction, so resolving features that are out of the image plane depends on how tightly you can focus in that elevation direction. This is why the correct concept is the elevational plane. Along the beam axis is axial resolution, and within the image plane relates to lateral resolution; time is not a spatial dimension.

Elevational resolution is about distinguishing objects that lie in the direction perpendicular to the imaging plane—the elevational plane. In ultrasound, the image is formed in a plane, but the beam has thickness in the elevation direction, so resolving features that are out of the image plane depends on how tightly you can focus in that elevation direction. This is why the correct concept is the elevational plane. Along the beam axis is axial resolution, and within the image plane relates to lateral resolution; time is not a spatial dimension.

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