Why is it important for instructional leaders to stay updated on research-based best practices?  

Which of the following ultrasound modes has the greatest sensitivity?

Calculate the frame time for a color Doppler image if it has an ensemble length of 10, a maximum depth of 5 cm, and a line density of 10.

Which of the following instrumentation changes will cause a decrease in the PRF?

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?