ARDMS SPI Sonography Principles and Instrumentation (ARDMS SPI) Online Training
ARDMS SPI Online Training
The questions for SPI were last updated at Nov 19,2024.
- Exam Code: SPI
- Exam Name: Sonography Principles and Instrumentation (ARDMS SPI)
- Certification Provider: ARDMS
- Latest update: Nov 19,2024
Which color Doppler setting can be optimized to eliminate low-frequency Doppler shifts without having any effect on higher Doppler frequency shifts?
- A . Gain
- B . Scale
- C . Wall filter
- D . Persistence
Which change improves temporal resolution during color flow imaging?
- A . Increase field of view
- B . Decrease transmit frequency
- C . Decrease packet size
- D . Increase line density
What does this image demonstrate?
- A . Presence of flow
- B . Direction of flow
- C . Color aliasing
- D . Color inversion
Which artifact is seen as a result of an increase in echo amplitude in the tissue located distal to an anechoic structure?
- A . Mirror image
- B . Reverberation
- C . Comet tail
- D . Enhancement
What is an advantage of power Doppler over color Doppler?
- A . Accurate velocity information
- B . Increased frame rate
- C . Diminished flash artifact
- D . Less angle dependent
What is effected by increasing the color scale?
- A . The Nyquist limit is increased
- B . More colors are displayed
- C . The color box width decreases
- D . The color priority decreases
Which change can be made in order to avoid exceeding the Nyquist limit?
- A . Increase output power
- B . Decrease output power
- C . Increase pulse repetition frequency
- D . Decrease pulse repetition frequency
What determines the resonant frequency of a pulsed wave transducer?
- A . Element thickness and pulse repetition frequency
- B . Element diameter and speed of sound in element
- C . Element diameter and element thickness
- D . Element thickness and speed of sound in element
Which factor does a string phantom evaluate?
- A . Two-dimensional resolution
- B . Intensity values
- C . Flow velocity
- D . Slice thickness
Which resolution is improved by focusing?
- A . Lateral
- B . Axial
- C . Temporal
- D . Contrast
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