Prudent practice of sonography involves application of the ________ principle.                

Which of the following is the gold standard device for measuring the acoustic output of an ultrasound machine?

Monitoring the Acoustic Output of an ultrasound machine is extremely important when considering ________.

Which of the following principles compares the movement of fluid to the movement of electricity?

There is a greater likelihood of cavitation bioeffects with _________ frequency trasnducers.

In the image, what does the Color Doppler in the vessel represent?

When obtaining a heart rate measurement on a fetus (especially during the first trimester), the AIUM requires that which of the following modes be used?

Match the item with the appropriate definition.

What should be done first to eliminate the artifact in the image?  

Match each chemokine receptor to its tissue homing function