Respuesta :
All of the following phenomena serve to attenuate the ultrasound signal as it passes through the body except: amplification (absorption, refraction, scattering will attenuate the signal)
Option D is correct
What is amplification of a signal?
The amplification of signals, defined as an increase in the intensity of a signal through networks of intracellular reactions, is considered one of the essential properties in many cell signalling pathways
How is amplification used?
Amplification provides more information in order to strengthen an important point in a speech. It serves to exaggerate certain statements which can underline comedic or serious intentions. It emphasizes the persuasive aspects of an argument by elaborating why exactly they should be considered.
What is an ultrasound signal?
Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing. Ultrasound is not different from "normal" (audible) sound in its physical properties, except that humans cannot hear it.
Learn more about ultrasound signals :
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