Michael Francois Nel

Which of the following is NOT a function of the damping block?

Which ultrasound mode is used to generate a 2 dimensional greyscale image?

Which of the following is true regarding time gain compensation?

Amplification of signal generated from ultrasound echoes returning from deeper tissues is known as what?

Which of the following will reduce the near field length of an ultrasound beam?

Radial expansion of piezoelectric transducer crystals is responsible for which phenomenon?

Which of the following will reduce side lobe intensity?

In ultrasound, which of the following does not change with increasing imaging depth?

Which of the following improves temporal resolution in ultrasound imaging?

Which change will result in a decrease in Doppler shift measured by the transducer?

Color Doppler has worse temporal resolution than B-mode imaging due to what?

Which of the following will increase the maximum velocity a pulse wave Doppler machine is able to accurately detect?

Which of the following parameters can NOT be assessed on an arterial spectral waveform in a healthy patient?

Which of the following is not an advantage of harmonic ultrasound imaging?

Which of the following ultrasound modes has the shortest spatial pulse length (best axial resolution)?

Which ultrasound artifact occurs as a result of refraction?

Which of the following CANNOT account for shadowing in ultrasound imaging?

Which of the following intensity measures is used to estimate thermal bioeffects?

Which of the following increases the likelihood of thermal bioeffects in ultrasound imaging?

Increasing the strength of the main magnetic field (B0) will...