SPI

Review 107 SPI practice questions with answer explanations and community insights.

Question 1

Which control should a sonographer use to change contrast resolution?

  1. Reject
  2. Output power
  3. Gain
  4. Dynamic range

Question 2

What is a potential negative consequence of using a high wall filter?

  1. Desired signal may be eliminated
  2. Aliasing could occur
  3. Penetration is reduced
  4. Too much noise may appear on the image

Question 3

Which unfocused transducer will have the greatest divergence?

  1. 4 mm aperture, 4 MHz
  2. 4 mm aperture, 6 MHz
  3. 6 mm aperture, 4 MHz
  4. 6 mm aperture, 6 MHz

Question 4

During 3-D volume acquisition, the quality of the images is most dependent upon which factor?

  1. Number of slices acquired
  2. Power output
  3. Rendering method utilized
  4. Speed of post-processing image compression

Question 5

Which feature is a characteristic of continuous wave Doppler?

  1. Range specificity
  2. Aliasing
  3. Low thermal index
  4. Dedicated transmit and receive crystals
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