Question #45

Which of the following is not true regarding the Doppler shift principle?

A. The Doppler shift is inversely proportional to the cosine of the angle of insonification (angle between ultrasound beam and moving object)
B. The higher the ultrasound transducer frequency, the greater the Doppler shift
C. The higher the speeds of ultrasound in a media the less Doppler shift will occur.
D. The faster the object is moving the greater the Doppler shift