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Real ARDMS SPI Questions Formats - Prepare Better For Exam

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The Sonography Principles and Instrumentation (SPI) exam questions can help you gain the high-in-demand skills and credentials you need to pursue a rewarding career. To do this you just need to pass the Sonography Principles and Instrumentation (SPI) certification exam which is not easy to crack. You have to put in some extra effort, and time and prepare thoroughly to pass the ARDMS SPI Exam. For the quick, complete, and comprehensive Sonography Principles and Instrumentation (SPI) exam dumps preparation you can get help from top-notch and easy-to-use SPI Questions.

ARDMS SPI Exam Syllabus Topics:

Topic
Details

Topic 1

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 2

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

Topic 3

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 4

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.

Topic 5

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.

ARDMS Sonography Principles and Instrumentation Sample Questions (Q206-Q211):

NEW QUESTION # 206
Which technique averages individual frames together to improve the image?

A. Coded excitation
B. Harmonic imaging
C. Persistence
D. Compression

Answer: C

Explanation:
Persistence is a technique used in ultrasound imaging that averages individual frames together to improve the overall image quality. This process helps to reduce noise and improve the signal-to-noise ratio, leading to clearer and more stable images. By averaging multiple frames, transient artifacts are minimized, and the continuity of structures is better visualized. Persistence is particularly useful in imaging static or slow-moving structures.References:
* ARDMS Sonography Principles and Instrumentation guidelines
* "Ultrasound Physics and Technology: How, Why and When" by M. Evans, C. Archer, and K. Weston

NEW QUESTION # 207
Which settings would produce the best temporal resolution?

A. Fewer focal zones and shallower depth
B. More focal zones and shallower depth
C. Fewer focal zones and deeper depth
D. More focal zones and deeper depth

Answer: A

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Temporal resolution refers to the system's ability to accurately track moving structures over time (i.e., frame rate). Temporal resolution improves when:
* The number of focal zones is reduced (fewer focal zones = faster frame rate).
* The imaging depth is reduced (shallower depth = faster frame rate).
According to sonography instrumentation references:
"Fewer focal zones and shallow imaging depth optimize temporal resolution by decreasing the time required for each frame, resulting in a higher frame rate." Therefore, the correct answer is C: Fewer focal zones and shallower depth.

NEW QUESTION # 208
Which target group in this image of a tissue-mimicking phantom is used to evaluate axial resolution?

A. Option B
B. Option A
C. Option D
D. Option C

Answer: A

Explanation:
In the given image of a tissue-mimicking phantom, Option B (yellow box) is used to evaluate axial resolution.
Axial resolution refers to the ability of the ultrasound system to distinguish between two structures that are close to each other along the path of the ultrasound beam (i.e., parallel to the beam). The targets in Option B are typically aligned in such a way to test the system's capacity to differentiate between structures that are situated closely together along the beam's axis.References:
* ARDMS Sonography Principles and Instrumentation guidelines
* "Sonography: Principles and Instruments" by Joan P. Baker and Marveen Craig

NEW QUESTION # 209
Which function is the purpose of the matching layer?

A. Convert acoustic to electrical energy
B. Increase sound transmission
C. Allow sequential firing of elements
D. Reduce ringing of the crystals

Answer: B

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The matching layer is placed between the transducer's piezoelectric element and the patient's skin. Its primary function is to improve the transmission of sound energy into the body by reducing the acoustic impedance mismatch between the crystal and tissue, minimizing reflection at the transducer surface.
According to sonography instrumentation reference:
"The matching layer improves transmission of ultrasound energy by reducing impedance mismatch between the transducer and soft tissue, thus increasing the efficiency of sound energy transfer." Therefore, the correct answer is D: Increase sound transmission.
-

NEW QUESTION # 210
At which angle to blood flow would the maximum Doppler shift occur?

A. 30 degrees
B. 0 degrees
C. 90 degrees
D. 60 degrees

Answer: B

Explanation:
The Doppler shift is highest when the angle between the ultrasound beam and the direction of blood flow is 0 degrees. This is because the cosine of 0 degrees is 1, maximizing the Doppler frequency shift. As the angle increases towards 90 degrees, the cosine value decreases, reducing the Doppler shift.
ARDMS Sonography Principles and Instrumentation guidelines
Hoskins, P. R., Thrush, A., Martin, K., & Whittingham, T. A. (2010). Diagnostic Ultrasound: Physics and Equipment.

NEW QUESTION # 211
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