The type of xdcr that can focus electronically in the slice… The type of xdcr that can focus electronically in the slice thickness plane is ______ xdcr. Read Details
Two u/s systems produce pulses. One pulse is 0.4µs in durat… Two u/s systems produce pulses. One pulse is 0.4µs in duration and the other is 0.2µs long. Which pulse is most likely to provide the best radial resolution? Read Details
Which of the following factors does NOT have a significant e… Which of the following factors does NOT have a significant effect on the lateral resolution of an image? Read Details
The axial resolution of a system is determined by: … The axial resolution of a system is determined by: Read Details
Which of the following is a natural occurring piezoelectric… Which of the following is a natural occurring piezoelectric material? Read Details
Before a ceramic xdcr element, such as lead zirconate titana… Before a ceramic xdcr element, such as lead zirconate titanate, is suitable as an u/s xdcr, it must be: Read Details
In soft tissue, if the pulse round trip time is 65µs, what i… In soft tissue, if the pulse round trip time is 65µs, what is the distance from the source to the reflector? Read Details
The principle which states that all points on a wavefront ca… 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: Read Details