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100% Pass Quiz 2026 ARDMS SPI Updated Examcollection Dumps

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ARDMS SPI Exam Syllabus Topics:

Topic
Details

Topic 1

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.

Topic 2

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 3

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 4

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 5

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.

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2026 ARDMS Unparalleled SPI: Examcollection Sonography Principles and Instrumentation Dumps

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ARDMS Sonography Principles and Instrumentation Sample Questions (Q149-Q154):

NEW QUESTION # 149
Which adjustment produced the change from waveform A to waveform B?
A close-up of a graph Description automatically generated

A. Increased wall filter
B. Decreased wall filter
C. Increased Doppler gain
D. Decreased Doppler gain

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Comparing waveform A to waveform B:
* In image B, the Doppler spectral waveform is brighter, with stronger signal amplitude and more clearly visible Doppler shifts.
* This indicates that the Doppler gain was increased, amplifying the strength of the returning Doppler signals displayed on the spectral waveform.
According to official sonography Principles and Instrumentation:
"Doppler gain controls the amplification of returning Doppler signals. Increasing the gain enhances signal amplitude, making weaker Doppler signals more visible."
* Decreasing gain (B) would have produced a dimmer waveform.
* Changes in wall filter (C and D) would primarily affect low-velocity signal display, not overall brightness.
Therefore, the correct answer is A: Increased Doppler gain.

NEW QUESTION # 150
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. Comet tail
C. Enhancement
D. Reverberation

Answer: C

Explanation:
Enhancement artifact occurs when an anechoic (or low-attenuation) structure, such as a cyst or fluid-filled structure, allows the ultrasound beam to pass through it with minimal attenuation. As a result, the tissues located distal to this anechoic structure appear brighter (increased echo amplitude) on the ultrasound image because the sound waves are less attenuated by the anechoic structure, leading to higher intensity echoes returning from the distal tissue. This increased brightness beyond the anechoic area is known as enhancement.
ARDMS Sonography Principles and Instrumentation guidelines
Kremkau, F. W. (2015). Diagnostic Ultrasound: Principles and Instruments. Elsevier.

NEW QUESTION # 151
Which resolution is degraded with multiple electronic foci?

A. Temporal
B. Elevational
C. Lateral
D. Axial

Answer: A

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Using multiple focal zones improves lateral resolution but requires additional time for each focal zone acquisition, which reduces frame rate and therefore degrades temporal resolution.
According to sonography instrumentation reference:
"Multiple focal zones improve lateral resolution but at the expense of temporal resolution due to longer acquisition time for each frame." Therefore, the correct answer is D: Temporal.

NEW QUESTION # 152
What causes increased echogenicity distal to an anechoic structure?

A. Reduced attenuation through the structure
B. Reduced penetration through the structure
C. Increased attenuation within the structure
D. Increased attenuation distal to the structure

Answer: A

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
An anechoic structure (such as a cyst or fluid-filled space) allows ultrasound waves to pass through with minimal attenuation. As a result, more sound energy reaches tissues distal to the structure, producing a bright area known as posterior acoustic enhancement or increased echogenicity.
The sonography Principles and Instrumentation documents state:
"Posterior acoustic enhancement occurs distal to fluid-filled structures due to reduced attenuation through the anechoic medium, allowing increased beam intensity to reach deeper tissues."
* Reduced penetration (A) and increased attenuation (B or C) would not produce enhancement.
* Reduced attenuation (D) is the correct mechanism.
Therefore, the correct answer is D: Reduced attenuation through the structure.
-

NEW QUESTION # 153
During 3-D volume acquisition, the quality of the images is most dependent upon which factor?

A. Speed of post-processing image compression
B. Number of slices acquired
C. Rendering method utilized
D. Power output

Answer: B

Explanation:
During 3-D volume acquisition in ultrasound, the quality of the images is most dependent on the number of slices acquired. This is because the more slices (or planes) that are captured, the more detailed and accurate the reconstruction of the 3-D volume will be. This allows for better spatial resolution and more precise visualization of anatomical structures. Other factors, such as power output, rendering methods, and speed of post-processing, also affect image quality but are secondary to the number of slices in terms of fundamental image acquisition quality.
Reference: ARDMS Sonography Principles and Instrumentation (SPI) Review, 3-D Ultrasound Imaging section.

NEW QUESTION # 154
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