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Doppler test objects and flow phantoms are unable to evaluate gate location.

There are no bioeffects associated with ultrasound having characteristics typical of those in diagnostic medicine.

The intensity limit established for diagnostic u/s is higher for focused sound beams than for broad, unfocused beams.

In vitro studies are performed exclusively on living animals.

There are two forms of cavitation:  inertial and normal.

Test objects cannot be used by the instrument operator.

The muskrat was the only animal able to bring up earth from beneath the water.

The Sky Woman fell from the Sky Land because she was pushed by her husband.

Which of the following cell structures is responsible for protein synthesis?

Prokaryotic cells do not have cell membranes.