In a B-mode display, which axis is used for the amplitude of the reflection?

Study for the SPI exam. Use flashcards and multiple choice questions, each with hints and explanations. Prepare effectively for your sonography certification!

Multiple Choice

In a B-mode display, which axis is used for the amplitude of the reflection?

Explanation:
In B-mode imaging, the strength of a reflection is shown by brightness, not by a separate axis. Each echo is mapped to a specific depth along the ultrasound beam, and that depth information sits on the vertical axis, the z-axis. The amplitude of the reflection is conveyed by how bright the dot is at that depth. So the axis associated with locating where the reflection occurs (and where its amplitude is displayed) is the depth axis, the z-axis.

In B-mode imaging, the strength of a reflection is shown by brightness, not by a separate axis. Each echo is mapped to a specific depth along the ultrasound beam, and that depth information sits on the vertical axis, the z-axis. The amplitude of the reflection is conveyed by how bright the dot is at that depth. So the axis associated with locating where the reflection occurs (and where its amplitude is displayed) is the depth axis, the z-axis.

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