SONOGRAPHY PRINCIPLES AND INSTRUMENTATION EXAM QUESTIONS PDF & SPI TEST TRAINING DEMO & SONOGRAPHY PRINCIPLES AND INSTRUMENTATION TEST ONLINE ENGINE

Sonography Principles and Instrumentation Exam Questions Pdf & SPI Test Training Demo & Sonography Principles and Instrumentation Test Online Engine

Sonography Principles and Instrumentation Exam Questions Pdf & SPI Test Training Demo & Sonography Principles and Instrumentation Test Online Engine

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ARDMS SPI Exam Syllabus Topics:

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

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Free PDF 2025 Professional SPI: Sonography Principles and Instrumentation Exam Topic

With the VCEEngine Sonography Principles and Instrumentation (SPI) exam questions you will get to understand ARDMS SPI exam structure, difficulty level, and time constraints. Get any VCEEngine Sonography Principles and Instrumentation (SPI) exam questions format and start ARDMS SPI exam preparation today.

ARDMS Sonography Principles and Instrumentation Sample Questions (Q46-Q51):

NEW QUESTION # 46
What adjustment is needed to optimize the color in the image below?

  • A. Increase wall filter
  • B. Increase pulse repetition frequency
  • C. Decrease gain
  • D. Decrease persistence

Answer: B

Explanation:
Increasing the pulse repetition frequency (PRF) helps to optimize the color Doppler imaging by reducing aliasing.
Aliasing occurs when the PRF is too low to accurately sample the rapid blood flow velocities, leading to incorrect color representation.
By increasing the PRF, the system can more accurately measure higher velocities without distortion, improving the overall quality of the color Doppler image. Reference:
ARDMS Sonography Principles and Instrumentation guidelines on Doppler imaging and techniques to reduce aliasing.


NEW QUESTION # 47
Which adjustment follows the ALARA (As Low As Reasonably Achievable) principle of patient safety?

  • A. Increase number of focal zones
  • B. Decrease output power
  • C. Increase sector width
  • D. Decrease depth

Answer: B

Explanation:
The ALARA principle stands for "As Low As Reasonably Achievable" and aims to minimize patient exposure to ultrasound energy. Decreasing the output power reduces the intensity of the ultrasound waves, thereby reducing the potential for tissue heating and mechanical effects, which aligns with the ALARA principle of minimizing exposure while still obtaining necessary diagnostic information.
ARDMS Sonography Principles and Instrumentation guidelines
Hangiandreou, N. J. (2003). "Physics Tutorial for Residents: Topics in US: B-Mode US: Basic Concepts and New Technology." Radiographics.


NEW QUESTION # 48
Which type of resolution will be improved by decreasing the depth of field?

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

Answer: A

Explanation:
Lateral resolution refers to the ability to distinguish two structures that are side by side. It is dependent on the width of the ultrasound beam. By decreasing the depth of field, the beam width is reduced at any given point along the depth, which improves the lateral resolution. This is because a narrower beam can better distinguish between objects that are close together laterally.
ARDMS Sonography Principles and Instrumentation guidelines
Kremkau, F. W. (2015). Diagnostic Ultrasound: Principles and Instruments.


NEW QUESTION # 49
If the speed of sound in a medium is less than the average speed of sound in soft tissue, where will the echo be placed on an image?

  • A. Too shallow
  • B. Laterally
  • C. Too deep
  • D. Not visualized

Answer: C

Explanation:
The placement of an echo on an ultrasound image is dependent on the assumption that the speed of sound in soft tissue is 1540 m/s. If the speed of sound in the medium is less than this assumed speed, the ultrasound system will interpret the returning echo as taking longer to return than it actually does. This causes the system to place the echo deeper in the image than its actual position. Therefore, the echo will be displayed "too deep" in the image.
Reference:
ARDMS Sonography Principles & Instrumentation Guidelines
Kremkau FW. Sonography Principles and Instruments. 9th ed. Philadelphia, PA: Elsevier; 2016.


NEW QUESTION # 50
Which change would lead to a reduction in frame rate?

  • A. Decreasing the sector width
  • B. Increasing the pulse repetition frequency (PRF)
  • C. Increasing the number of focal zones
  • D. Decreasing the depth

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Each additional focal zone requires extra transmissions per scan line, which slows down frame acquisition, thereby reducing the frame rate.
Principles and Instrumentation state:
"Increasing the number of focal zones lowers frame rate because multiple pulses are needed per scan line for each focal depth." Increasing PRF (B) allows faster data acquisition.
Decreasing depth (C) shortens round-trip time, increasing frame rate.
Decreasing sector width (D) reduces scan lines, increasing frame rate.


NEW QUESTION # 51
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