18
QuizMultiple Choice

Using Sound — Unit test

Question 18 • MS-Physical Science

An ultrasound tech is trying to identify an object, but the screen of the machine is broken. Which statement best describes this situation?

Answer
A
The generated sound wave will not be able to reflect off of the object.
B
The sound wave will not be generated, so there will be no echoes received.
C
The echoes will be made but will not be able to be received by the machine.
D
The machine can process echoes into images, but with the broken screen, they can't be displayed.

Explanation

The ultrasound machine sends sound waves into the body and receives echoes that it processes into an image. A broken screen affects only the display, not the generation or reception of sound waves or the processing of echoes. Therefore, the machine can process the echoes into images, but they cannot be displayed on the broken screen.

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