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If the PRF increases, the duty factor _______________

Substantial acoustic energy directed outward from a linear array transducer not along the main axis of the beam is defined as  __________

Axial resolution is chiefly determined by   _______________________

What is reflection in multiple directions from a reflector that is too small relative to the wavelength?

On the contrary to the arteries, veins can accommodate a large volume of blood flow with _____________ of its pressure

The beam of an unfocused transducer diverges  _______________________

The two categories of energy that make up total fluid energy are  _____________________

Aliasing is the appearance of Doppler information on the _____________ of the baseline.

Acoustic speckle is an artifact produced by  ________________

If a 3 MHz frequency is used in human soft tissue, the wavelength is approximately