In A-mode, the y-axis represents what?

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Multiple Choice

In A-mode, the y-axis represents what?

Explanation:
In A-mode, the vertical axis shows the amplitude of the reflected signal. That means how strong the echo is from a tissue interface—the bigger the spike, the stronger the reflection. The horizontal axis represents time of flight, which maps to depth along the axis. So A-mode is a one-dimensional plot of echo amplitude versus depth, with tall spikes indicating strong reflectors and smaller ones indicating weaker ones.

In A-mode, the vertical axis shows the amplitude of the reflected signal. That means how strong the echo is from a tissue interface—the bigger the spike, the stronger the reflection. The horizontal axis represents time of flight, which maps to depth along the axis. So A-mode is a one-dimensional plot of echo amplitude versus depth, with tall spikes indicating strong reflectors and smaller ones indicating weaker ones.

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