All of the following are appropriate reasons to perform a contrast enhanced ultrasound exam EXCEPT __________

Which of the following console controls will adjust the PRP?

A Doppler shift of 1.5kHz is detected in an artery. If the velocity of the blood flow doubles what is the new Doppler shift detected?

In the Doppler equation (Δf = 2 . fo . v / c ), what does “c” stand for?

Intensity has a unit of _______

The vertical axis on the m-mode display represents the ___________.

For a single transducer to offer multiple frequency selections for scanning, it must have _________

While performing a Doppler ultrasound examination, you adjust the pulse repetition frequency to 12 kHz. This can also be expressed as ___________

One hundred Forty (140) patients each one had 2 venous studies for Acute Deep Venous Thrombosis, non-invasive (new test) and invasive (gold standard). No evidence of disease was detected in 54 patients. In 12 cases the non-invasive studies were negative, but the invasive tests were positive. 68 patients showed Acute DVT by both tests. In 6 cases the non-invasive studies were positive, but the invasive studies were negative. The number of True Positive is ______

Which interface will cause the maximum reflection of the incident sound beam?