Lila’s parents are both avid readers and have a natural aptitude for language. Growing up, their home was filled with books, and they often read aloud to Lila. As a result, Lila developed strong reading skills. Which heredity-genotype correlation is illustrated?

How does frequency affect the amount of rayleigh scattering that will occur at a boundary?

Calculate the total attenuation to image the anterior edge of the liver at a depth of 2 cm using a 5 MHz transducer.

What form(s) of attenuation are occurring at the boundary indicated by the red arrow?

An ultrasound beam is directed at a large interface composed of bone and soft tissue.  The angle of incidence is 60°.  The sound beam moves from bone into soft tissue.  Assume the speed of sound in bone is 3080 m/s.  What is the effect on the sound beam.

Which of the following interactions with matter is independent of frequency?

Calculate the operating frequency for a CW transducer with a drive voltage of 8 MHz, a crystal thickness of 3 mm, a crystal diameter of 5 mm.  The propagation speed of PZT is 12 mm/usec.

CMUT devices are based on sound generation through ___________.

If the crystal diameter is 4 mm, what is the minimum distance a part 2 objects can be in the lateral plane and still distinguished as separate objects

Which of the following materials is a naturally occuring piezoelectric material?