A sound  wave with an intensity of 60mw?cm^2 is traveling from a medium with an impedance of 1.75 MRayls, and a density of 18g/cm^3 to another medium with an incident angle of 90 degrees. The 2nd medium has an impedance of 1.75 MRayls and a density of 20 g/cm^3. Which of these are true a) Reflection will occur at the boundary b) angle of reflection is 90 degrees c) Total reflection at the boundary will occur d) IRC=100% e) all of the above

All of these statements are true regarding this sector shaped image EXCEPT?

If the frequency of a U/S wave is doubled, what happens to the period?

The image of the heart as opposed to the liver has all these features EXCEPT

Which one is NOT true about incremental development?

A Doppler exam is performed with a 6MHz probe, and a PRF of 18KHz. Which of these Doppler shifts will cause aliasing?

What is the depth to reflector if go return time is 65 microsecs

An uncompressed signal in a system has a dynamic range of 120dB. The signal undergoes 50dB of compression. The new dynamic range of the signal is 

Which of the following tissues is most likely to create specular reflection?

__________ is a redirection of U/S in several directions as a result of a irregular boundary between two media.