Assume that a bank’s bid rate on Swiss francs is $0.54 and its ask rate is $0.56. Its bid/ask percentage spread is:

What diagnostic technique is being used in this image?

What decreases when the number of acoustic lines per frame is increased without changing the maximum depth? a)Spatial pulse length b)Frame rate c) Pulse repetition frequency d)Receiver dynamic range

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