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EXAM REVIEW
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Ihuman Case Study
LETRS
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Question Number 69
In order to display a structure on your sonographic image the sound beam must be reflected at the interface. What is required for sound reflection at the interface of two structures?
A: Oblique incidence at the interface boundary.
B: Temperature differences between the two media.
C: A difference in the acoustic impedance of the media.
D: Different media diameters.
E: Different attenuation coefficients.
✔ Correct Answer:
C: A difference in the acoustic impedance of the media.
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