Part 3

Question 1

If the peak velocity increases from 50 cm/s to 90 cm/s, what change occur in the Doppler spectral waveform?

a) the displacement along the vertical axis becomes elongated
b) the displacement along the horizontal axis becomes elongated
c) overall brightness of the trace is increased
d) no change

Answer 1

a) the displacement along the vertical axis becomes elongated

Question 2

All of the following are related to dedicated continuous wave transducers EXCEPT:

a) requires at least 2 crystals in the probe
b) high sensitivity
c) wide bandwidth
d) high Q factor
e) undamped crystal

Answer 2

c) wide bandwidth