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ARDMS SPI Exam Syllabus Topics:

Topic
Details

Topic 1

Optimize Sonographic Images: The topic focuses on optimization of axial resolution concepts, optimization of lateral resolution concepts, optimization of elevational resolution concepts, optimization of temporal resolution concepts, and magnification techniques.

Topic 2

Apply Doppler Concepts: It discusses Doppler wall filter concepts, Doppler sample gate concepts, y color priority over gray scale concepts, and concepts related to color Doppler map. Furthermore, it discusses concepts to eliminate aliasing, continuous wave Doppler concepts, and color Doppler scale concepts.

Topic 3

Provide Clinical Safety & Quality Assurance: This topic covers universal infection control protocols, QA check on ultrasound machine, transducer integrity, ultrasound machine integrity, and statistical parameter concepts.

Topic 4

Manage Ultrasound Transducers: It delves into 2D array transducer concepts, 3D
4D transducer concepts, and nonimaging transducer concepts.

Topic 5

Perform Ultrasound Examinations: This topic discusses patient care, sonographic ergonomic techniques, echogenicity, reverberation, and potential bioeffects. It also discusses beam steering concepts, panoramic imaging, 3D
4D concepts, and contrast imaging concepts.

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You can even print the study material and save it in your smart devices to study anywhere and pass the Sonography Principles and Instrumentation (SPI) certification exam. The second format, by Pass4sureCert, is a web-based Sonography Principles and Instrumentation (SPI) practice exam that can be accessed online through browsers like Firefox, Google Chrome, Safari, and Microsoft Edge. You don't need to download or install any excessive plugins or Software to use the web-based software.

ARDMS Sonography Principles and Instrumentation Sample Questions (Q129-Q134):

NEW QUESTION # 129
Which change can be made in order to avoid exceeding the Nyquist limit?

A. Decrease pulse repetition frequency
B. Increase pulse repetition frequency
C. Increase output power
D. Decrease output power

Answer: B

Explanation:
To avoid exceeding the Nyquist limit and prevent aliasing in Doppler ultrasound, the pulse repetition frequency (PRF) should be increased. The Nyquist limit is half of the PRF, so by increasing the PRF, the Nyquist limit is raised, allowing the system to accurately measure higher velocities without encountering aliasing artifacts.
ARDMS Sonography Principles and Instrumentation guidelines
Zwiebel, W. J., & Pellerito, J. S. (2017).Introduction to Vascular Ultrasonography. Elsevier.

NEW QUESTION # 130
Which artifact results from decreased attenuation?

A. Comet tail
B. Reverberation
C. Enhancement
D. Ringdown

Answer: C

Explanation:
Enhancement is an artifact that results from decreased attenuation. When an ultrasound wave travels through a medium with lower attenuation compared to surrounding tissues, it loses less energy. Consequently, the structures located deeper than the low-attenuation medium appear brighter on the ultrasound image. This artifact is commonly observed behind fluid-filled structures, such as cysts or the urinary bladder, where the sound waves encounter minimal resistance and thus less attenuation.References:
* ARDMS Sonography Principles and Instrumentation guidelines
* "Diagnostic Ultrasound: Principles and Instruments" by Frederick W. Kremkau

NEW QUESTION # 131
Which action may reduce the number of lines in a frame without a loss of temporal resolution?

A. Reducing the frame rate
B. Narrowing the field of view
C. Decreasing the display depth
D. Decreasing the transducer frequency

Answer: B

Explanation:
Narrowing the field of view reduces the number of scan lines that need to be processed per frame. This allows the ultrasound system to maintain or even increase the frame rate without compromising temporal resolution.
Temporal resolution, which refers to the system's ability to depict motion accurately, is directly related to the frame rate. Reducing the field of view ensures fewer lines are needed to create each image, thus preserving the frame rate and temporal resolution.
ARDMS Sonography Principles and Instrumentation guidelines
Kremkau, F. W. (2015). Diagnostic Ultrasound: Principles and Instruments.

NEW QUESTION # 132
What is the effect of increasing the overall gain?

A. Compensation for attenuation at selected depths
B. Amplification of signals from all depths
C. Increase in the number of returning signals
D. Increase in the amplitude of the transmitted pulse

Answer: B

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Overall gain amplifies the strength of all returning echoes equally, regardless of depth. It does not affect the transmitted pulse or selectively compensate for attenuation; it simply amplifies received signals uniformly.
According to sonography instrumentation reference:
"Overall gain controls the amplification of all returning echoes across the entire image, increasing brightness uniformly at all depths." Therefore, the correct answer is B: Amplification of signals from all depths.
-

NEW QUESTION # 133
What would increase with an increase in acoustic power?

A. Thermal Index
B. Wavelength
C. Impedance
D. Frequency

Answer: A

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The thermal index (TI) indicates the potential for tissue heating due to ultrasound energy absorption.
Increasing acoustic power increases the amount of energy transmitted into the body, which raises the thermal index.
According to sonography instrumentation reference:
"An increase in acoustic output power results in a corresponding increase in the thermal index, reflecting higher potential for tissue heating." Therefore, the correct answer is C: Thermal Index.
-

NEW QUESTION # 134
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