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Before a ceramic xdcr element, such as lead zirconate titanate, is suitable as an u/s xdcr, it must be:

In soft tissue, if the pulse round trip time is 65µs, what is the distance from the source to the  reflector?                                                                                                           

The principle which states that all points on a wavefront can be considered as point sources for the production of spherical secondary wavelets was postulated by:

Bandwidth can be increased by:

In u/s systems, the range equation is used to determine which of the following?

Which of the following xdcr creates a sector image shape?

What is TRUE of the xdcr quality factor?

A maximum degree of depth resolution can be obtained through the use of all of the following  EXCEPT:                                                                                                    

Which component of an u/s system is made of lead zirconate titanate?

A decrease in pulse duration results in _____ in frequency bandwidth: