LATEST ARDMS SPI EXAM PASS4SURE, SPI RELIABLE TEST COST

Latest ARDMS SPI Exam Pass4sure, SPI Reliable Test Cost

Latest ARDMS SPI Exam Pass4sure, SPI Reliable Test Cost

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You can find that there are three versions of the SPI training questions: the PDF, Software and APP online. As youIf you have more time at home, you can use the Software version of SPI exam materials. If you are a person who likes to take notes, you can choose the PDF version. You can print out the PDF version of SPI Practice Engine, carry it with you and read it at any time. If you are used to reading on a mobile phone, you can use our APP version.

ARDMS SPI Exam Syllabus Topics:

TopicDetails
Topic 1
  • Manage Ultrasound Transducers: It delves into 2D array transducer concepts, 3D
  • 4D transducer concepts, and nonimaging transducer concepts.
Topic 2
  • 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 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
  • 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
  • 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.

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ARDMS Sonography Principles and Instrumentation Sample Questions (Q117-Q122):

NEW QUESTION # 117
What information does the ultrasound system calculate to display color flow?

  • A. Peak velocity of flow
  • B. Mean Doppler frequency
  • C. Peak Doppler frequency
  • D. Minimum velocity of flow

Answer: B

Explanation:
Color flow Doppler imaging displays the mean Doppler frequency shift, which represents the average velocity of blood flow within a sample volume. The ultrasound system uses autocorrelation to process Doppler signals and compute the mean frequency shift. This provides a color-coded map of blood flow velocities, allowing for visualization of flow direction and speed. The mean Doppler frequency is displayed as different colors, with each color representing a range of velocities.
References:
ARDMS Sonography Principles & Instrumentation Guidelines
Kremkau FW. Sonography Principles and Instruments. 9th ed. Philadelphia, PA: Elsevier; 2016.


NEW QUESTION # 118
Which type of resolution does damping improve?

  • A. Contrast
  • B. Temporal
  • C. Lateral
  • D. Axial

Answer: D

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Damping reduces the number of cycles per pulse, shortening pulse duration and spatial pulse length, which directly improves axial resolution.
Principles and Instrumentation:
"Axial resolution improves with shorter spatial pulse length, achieved by damping, which limits ringing of the transducer."
* Lateral resolution (A) depends on beam width.
* Contrast resolution (B) relates to dynamic range.
* Temporal resolution (C) is tied to frame rate.
Therefore, the correct answer is D: Axial.


NEW QUESTION # 119
In this image, which artifact is demonstrated?

  • A. Aliasing
  • B. Range ambiguity
  • C. Mirroring
  • D. Spectral broadening

Answer: C

Explanation:
The artifact demonstrated in the image is mirroring. This occurs when the ultrasound beam encounters a strong reflector, such as a diaphragm or pleura, and is reflected back and forth between the object and the transducer. This results in a duplicate image appearing on the other side of the strong reflector, creating a mirror image artifact. It is crucial for sonographers to recognize and differentiate this artifact from actual anatomical structures to avoid misinterpretation.
American Registry for Diagnostic Medical Sonography (ARDMS) Sonography Principles and Instrumentation study materials.
Diagnostic Ultrasound: Principles and Instruments by Kremkau, F. W. (latest edition).


NEW QUESTION # 120
In this image, what does the data below the baseline represent?

  • A. Wall filter setting too high
  • B. Mirror image artifact
  • C. Aliasing and retrograde blood flow
  • D. Blood flow directed towards the transducer

Answer: C

Explanation:
In the provided image, data below the baseline represents blood flow moving away from the transducer, which can indicate retrograde flow. When using spectral Doppler, the baseline separates flows towards and away from the transducer. Aliasing occurs when the velocity of blood flow exceeds the Nyquist limit, causing the display to wrap around and appear on the opposite side of the baseline. This phenomenon is common in high-velocity flow situations and results in part of the flow being displayed below the baseline. Retrograde flow further supports this, as it shows blood moving in the opposite direction to the expected flow.
Reference:
ARDMS Sonography Principles & Instrumentation Guidelines
Kremkau FW. Sonography Principles and Instruments. 9th ed. Philadelphia, PA: Elsevier; 2016.


NEW QUESTION # 121
Which action is the first step for the removal of visible contaminants from the transducer?

  • A. Sterilize
  • B. Pasteurize
  • C. Disinfect
  • D. Clean

Answer: D

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The proper care and reprocessing of ultrasound transducers follow a strict hierarchy of steps. The first step is always physical cleaning, which involves removing visible debris, gel, and contaminants from the transducer surface. This must be done prior to any disinfection or sterilization process because organic material can inhibit the effectiveness of these subsequent steps.
According to sonography Principles and Instrumentation documentation:
"Cleaning is the first and essential step in reprocessing ultrasound probes. It removes gel, blood, and other organic material. Disinfection or sterilization should never be performed before cleaning, as residual debris reduces their effectiveness." Therefore, the correct answer is C: Clean.
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NEW QUESTION # 122
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