ARDMS SPI Sonography Principles and Instrumentation (ARDMS SPI) Exam Exam Practice Test Questions

• Question 1

  Which artifact causes a reflector to be improperly positioned on the display?

  • Acoustic shadowing
  • Speckle
  • Enhancement
  • Range ambiguity

  Show Answer Answer: D Next

• Question 2

  Which machine setting could cause aliasing to occur?

  • Doppler scale too high
  • Doppler scale too low
  • Doppler gain too high
  • Doppler gain too low

  Show Answer Answer: B Next

• Question 3

  Which change can be made in order to avoid exceeding the Nyquist limit?

  • Increase output power
  • Decrease output power
  • Increase pulse repetition frequency
  • Decrease pulse repetition frequency

  Show Answer Answer: C Next

• Question 4

  What improves the temporal resolution of color flow imaging?

  • Decreasing pulse repetition frequency
  • Increasing ensemble length (packet size)
  • Decreasing width of the color field of view
  • Increasing number of color lines per frame

  Show Answer Answer: C Next

• Question 5

  Which will affect the gray-scale of a 2-D image?

  • Doppler gain
  • Depth of field
  • Pulse repetition frequency (PRF)
  • Dynamic range

  Show Answer Answer: D Next