Changes in ______________ of the medium identify the energy wave as a sound wave.
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As sound travels through the body, the power ____________ .
As sound travels through the body, the power ____________ .
The intensity that is most important in the study of bioeffe…
The intensity that is most important in the study of bioeffects:
Increasing depth changes:
Increasing depth changes:
Pulse repetition frequency and pulse duration are reciprocal…
Pulse repetition frequency and pulse duration are reciprocals.
The use of backing material:
The use of backing material:
While scanning, the sonographer decreases the line density. …
While scanning, the sonographer decreases the line density. The frame rate remains the same, what else changed?
Which is NOT true about Impedance?
Which is NOT true about Impedance?
Higher frequency transducers produce shorter wavelength soun…
Higher frequency transducers produce shorter wavelength sound and create images of superior quality.
A sonographer adjusts the output of an ultrasound transducer…
A sonographer adjusts the output of an ultrasound transducer by increasing the amplitude by a factor of 3. Which of the following statements is true?