Sound waves behave like light waves in that sound waves
A) travel in straight lines.
B) may be focussed.
C) may reflect or create echoes.
D) all of the above
Correct Answer:
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Q11: Of the choices below, the material that
Q12: The relationship between ultrasound frequency and image
Q13: As an ultrasound beam travels through tissue,
Q14: Modern ultrasound machines use
A)a continuous wave of
Q15: Ultrasound frequencies are
A)inaudible.
B)not related to wavelength.
C)greater than
Q17: The piezoelectric crystal has the potential to
Q18: Ultrasound frequency is expressed in
A)newtons (N).
B)rads.
C)angstroms (A).
D)hertz
Q19: In order to determine location and size
Q20: A sonogram is studied by a radiologist
Q21: The intensity of the returning echoes in
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