In this image, what would result from decreasing the Doppler angle from its current 71º to 40º?  

Which of the following will degrade the display of Color Doppler information on the image?

A patient only communicates in a foreign language. It is acceptable to speak to a bilingual family member and obtain consent from the relative.

The Reynolds number predicts aliasing

During performances of an obstetrical ultrasound exam, you adjust the system parameters to improve the image. Which of the following parameters would increase acoustic exposure?

Hydrostatic pressure is defined as the pressure related to the weight of a blood column pressing on the v4essel wall measured at height above or below heart level

All of the following can be used to avoid nosocomial and cross-infection with sonographic probes, EXCEPT __________

The Principle that states that the volume of flow must be the same before, during and after a stenosis is the ____________

The assumptions in the system of sonographic instruments include all of the following except:

Wavelength has the greatest effect on ______