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SPI Practice Questions

Sonography Principles and Instrumentation

Last Update 4 days ago
Total Questions : 187

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Our free ARDMS SPI practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about SPI. Use this test to pinpoint which areas you need to focus your study on.

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Question # 11

Which system control adjusts amplification of signals as a function of depth?

Options:

Output power

Time gain compensation

Transmit focus

Reject

Discussion 0

Question # 12

Which artifact may be caused by incorrect color Dopplergain setting?

Options:

Bleed/Blossoming

Clutter/Haze

Twinkle

Aliasing

Discussion 0

Question # 13

What occurs when the pulse repetition frequency is less than twice the Doppler shift frequency?

Options:

Spectral broadening

Range ambiguity

Aliasing

Propagation speed artifact

Discussion 0

Question # 14

What is measured with a test object containing closely spaced, highly reflective targets along the direction of beam?

Options:

Sensitivity

Specificity

Lateral resolution

Axial resolution

Discussion 0

Question # 15

Which factor will improve axial resolution?

Options:

Increasing the focal zone

Reducing the number of cycles per pulse

Changing the gray-scale map

Decreasing the frame rate

Discussion 0

Question # 16

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

Options:

Increase output power

Decrease output power

Increase pulse repetition frequency

Decrease pulse repetition frequency

Discussion 0

Question # 17

During a color Doppler scan, which angle to flow would most likely result in no color being visualized?

Options:

3 degrees

45 degreesC 88 degrees

175 degrees

Discussion 0

Question # 18

Which change improves temporal resolution during color flow imaging?

Options:

Increase field of view

Decrease transmit frequency

Decrease packet size

Increase line density

Discussion 0

Question # 19

Which artifact causes a simple cyst to appear to contain debris?

Options:

Refraction

Enhancement

Slice thickness

Range ambiguity

Discussion 0

Question # 20

What is associated with a weakly attenuating structure?

Options:

Strong internal echoes

Ghosting artifacts

Reverberations

Distal enhancement

Discussion 0

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