Reflection in ultrasound is best described as:

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Multiple Choice

Reflection in ultrasound is best described as:

Explanation:
Reflection is the portion of ultrasound energy that bounces back after hitting a boundary between tissues with different acoustic impedances. This back-scattered energy travels toward the transducer (the soundhead), producing echoes used to create images or deliver therapy. So the best description is waves moving back toward the soundhead. The other ideas describe different ultrasound phenomena: transmission is the part that continues forward through tissue, refraction (and diffraction) involves bending of waves at interfaces, and increasing amplitude refers to amplification or changes in energy, not the bounce-back behavior of reflection.

Reflection is the portion of ultrasound energy that bounces back after hitting a boundary between tissues with different acoustic impedances. This back-scattered energy travels toward the transducer (the soundhead), producing echoes used to create images or deliver therapy. So the best description is waves moving back toward the soundhead.

The other ideas describe different ultrasound phenomena: transmission is the part that continues forward through tissue, refraction (and diffraction) involves bending of waves at interfaces, and increasing amplitude refers to amplification or changes in energy, not the bounce-back behavior of reflection.

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