Which of the following parameters will cause a change in the pulse duration?

System A has a frame rate of 23Hz and system B has a frame rate of 60Hz.  Which system would be better suited to scanning a fetal heart?

Indicate the parameter signified by the letter B in the diagram below.

What is a typical line density for a non-scanned modality like CW Doppler?

What does PRP refer to?

Which of the following frequency ranges best describes diagnostic medical ultrasound?

The average propagation speed in human soft tissue is______.

Calculate the amplitude of a wave that has a peak voltage of 20V and a trough voltage of -30V.

Put the following mediums in order of decreasing propagation velocity. Liver Fluid filled cyst Bowel Gas Rib

If the output power is increased on the ultrasound system what will happen to the wavelength of the sound beam?