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[General] New ARDMS SPI Dumps Ebook | SPI Exams Collection

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【General】 New ARDMS SPI Dumps Ebook | SPI Exams Collection

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ARDMS SPI Exam Syllabus Topics:
TopicDetails
Topic 1
  • Provide Clinical Safety and Quality Assurance: This section of the exam measures skills of Clinical Ultrasound Supervisors and focuses on maintaining safety and quality standards in ultrasound practice. It includes infection control protocols, transducer and machine integrity checks, and quality assurance testing using tissue-mimicking phantoms. The section also requires familiarity with statistical parameters like sensitivity and specificity to evaluate diagnostic performance and ensure consistent, reliable imaging outcomes.
Topic 2
  • Apply Doppler Concepts: This section of the exam measures skills of Vascular Sonographers and evaluates understanding and application of Doppler ultrasound principles. It includes knowledge of Doppler angle, flow dynamics, and color and spectral Doppler imaging. The section also covers eliminating aliasing, interpreting waveforms, applying continuous and pulsed wave Doppler, and optimizing Doppler gain and scale to accurately measure blood flow and velocity within vessels.
Topic 3
  • Optimize Sonographic Images: This section of the exam measures skills of Diagnostic Medical Sonographers and assesses their ability to enhance image quality using advanced optimization techniques. It includes understanding axial, lateral, elevational, and temporal resolution, as well as manipulating gain, depth, magnification, and dynamic range. Examinees are expected to apply harmonic imaging, spatial compounding, and gray-scale techniques to produce clear, accurate diagnostic images.
Topic 4
  • Manage Ultrasound Transducers: This section of the exam measures skills of Ultrasound Technicians and focuses on the management and proper use of different types of transducers. It evaluates knowledge of transducer components, frequency selection, and application of various 2D, 3D, 4D, and nonimaging transducer concepts. Candidates must show they can choose the appropriate transducer for specific examinations and make necessary frequency adjustments to ensure image quality.
Topic 5
  • Perform Ultrasound Examinations: This section of the exam measures skills of Sonographers and covers how to conduct ultrasound procedures while ensuring patient safety and diagnostic accuracy. It includes understanding of imaging protocols, ergonomics, patient care, and the interaction between sound and tissue. Candidates are expected to demonstrate abilities to manage patient encounters, apply 3D
  • 4D and contrast imaging concepts, identify and correct artifacts, and follow confidentiality and privacy standards throughout the scanning process.

ARDMS Sonography Principles and Instrumentation Sample Questions (Q71-Q76):NEW QUESTION # 71
Which characteristics are associated with an ideal imaging transducer?
  • A. Broad bandwidth; high quality factor
  • B. Broad bandwidth; low quality factor
  • C. Narrow bandwidth; low quality factor
  • D. Narrow bandwidth; high quality factor
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Ideal imaging transducers have broad bandwidths (allowing multiple frequencies for better axial resolution and flexibility) and a low quality factor (which indicates efficient damping, leading to short pulses and better image quality).
According to sonography instrumentation reference:
"Imaging transducers operate with broad bandwidth and low quality factor to achieve short pulse duration and optimal axial resolution." Therefore, the correct answer is B: Broad bandwidth; low quality factor.
-

NEW QUESTION # 72
What combination of transmitting frequency and depth produces the greatest ultrasound beam attenuation?
  • A. 5 MHz at 2 cm
  • B. 7.5 MHz at 5 cm
  • C. 5 MHz at 5 cm
  • D. 7.5 MHz at 2 cm
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Attenuation increases with both frequency and depth. The highest attenuation occurs at the highest frequency and greatest depth. 7.5 MHz attenuates faster than 5 MHz, and 5 cm represents deeper tissue penetration.
Principles and Instrumentation state:
"Attenuation is directly proportional to frequency and path length: Attenuation = Frequency × Depth × Attenuation Coefficient." Therefore, the correct answer is D: 7.5 MHz at 5 cm.
-

NEW QUESTION # 73
Which region of this image from a sector phantom is evaluating the dead zone?

  • A. Region D
  • B. Region C
  • C. Region B
  • D. Region A
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The dead zone in ultrasound refers to the shallow area immediately beneath the transducer where no useful data can be collected due to the transducer's ring-down and the time required for the system to switch from transmit to receive mode.
In a sector phantom image, the area closest to the transducer (superficial portion) is used to evaluate the dead zone. In this image, Region A is located at the top of the image, closest to the transducer surface.
According to sonography instrumentation reference:
"The dead zone is assessed by evaluating the area immediately beneath the transducer. This area is used to test the system's near-field performance and transducer surface integrity." Therefore, the correct answer is A: Region A.
-

NEW QUESTION # 74
Which change would allow low velocities to be displayed in this spectral Doppler image?

  • A. Increase transmitted frequency
  • B. Decrease compression
  • C. Increase sample volume size
  • D. Decrease wall filter
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
In the spectral Doppler display shown, the wall filter setting determines the lower limit of velocity signals that are displayed. A high wall filter removes low-velocity signals (such as end-diastolic flow or slow venous flow), while a lower wall filter allows both high and low velocities to be visualized.
According to the official Principles and Instrumentation documents:
"The wall filter eliminates low-frequency Doppler shifts, which correspond to low-velocity blood flow or motion artifacts. Decreasing the wall filter allows display of low-velocity flow components that may otherwise be filtered out." Decreasing compression (A) adjusts dynamic range but does not influence velocity detection.
Increasing sample volume size (B) affects spatial resolution and signal amplitude but not velocity thresholds.
Increasing transmitted frequency (C) may improve sensitivity but does not directly control the display of low velocities.
Therefore, the correct answer is D: Decrease wall filter.

NEW QUESTION # 75
Which image demonstrates appropriate spectral Doppler gain?

  • A. Option C
  • B. Option A
  • C. Option B
  • D. Option D
Answer: C
Explanation:
Option B demonstrates appropriate spectral Doppler gain. Appropriate gain settings ensure that the Doppler signal is adequately amplified without introducing excessive noise or artifacts. In Option B, the spectral waveform is clearly visible with distinct borders, and the background noise is minimal. In contrast, other options might show either under-gained (too little signal) or over-gained (excessive noise and signal) images, making it difficult to accurately interpret the spectral Doppler information. Reference:
ARDMS Sonography Principles and Instrumentation guidelines
"Understanding Ultrasound Physics" by Sidney K. Edelman

NEW QUESTION # 76
......
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