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SPI Test Score Report | Valid SPI Test Syllabus

With TestsDumps user-friendly Sonography Principles and Instrumentation (SPI) PDF format, you can prepare for the exam from any location at any time via laptops, tablets, and smartphones. In this ARDMS SPI PDF document, we have included latest and SPI Real Exam Questions. TestsDumps has made the SPI PDF format to make it easier for students to acquire knowledge they need to ace the ARDMS exam.

ARDMS SPI Exam Syllabus Topics:

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

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

NEW QUESTION # 117
What would increase with an increase in acoustic power?

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

Answer: C

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 # 118
The ability to resolve two separate reflectors perpendicular to the path of the beam describes which type of resolution?

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

Answer: D

Explanation:
Lateral resolution describes the ability of an ultrasound system to distinguish between two structures that are side by side (perpendicular to the path of the ultrasound beam). This type of resolution depends on the beam width; narrower beams provide better lateral resolution. As the ultrasound beam travels deeper into the tissue, it generally widens, which can reduce lateral resolution. Techniques such as focusing the beam can help improve lateral resolution at specific depths by narrowing the beam width.
Reference:
American Registry for Diagnostic Medical Sonography (ARDMS). Sonography Principles and Instrumentation (SPI) Examination Review Guide.

NEW QUESTION # 119
What is effected by increasing the color scale?

A. More colors are displayed
B. The Nyquist limit is increased
C. The color priority decreases
D. The color box width decreases

Answer: B

Explanation:
The Nyquist limit, which is the maximum detectable velocity before aliasing occurs, is directly related to the pulse repetition frequency (PRF). Increasing the color scale on the ultrasound machine effectively increases the PRF. When the PRF is increased, the Nyquist limit is also increased, allowing for the measurement of higher velocities without aliasing.
Reference:
ARDMS Sonography Principles and Instrumentation guidelines
Kremkau, F. W. (2015). Diagnostic Ultrasound: Principles and Instruments. Elsevier.

NEW QUESTION # 120
Which action may reduce the number of lines in a frame without a loss of temporal resolution?

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

Answer: A

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.
Reference:
ARDMS Sonography Principles and Instrumentation guidelines
Kremkau, F. W. (2015). Diagnostic Ultrasound: Principles and Instruments.

NEW QUESTION # 121
What does damping in a pulsed-wave transducer affect?

A. Beam penetration
B. Pulse duration
C. Beam focus
D. Pulse repetition frequency

Answer: B

Explanation:
Damping in a pulsed-wave transducer primarily affects the pulse duration. Damping refers to the process of reducing the vibration of the transducer crystal after the initial excitation. When damping is applied, it shortens the length of the ultrasound pulse by quickly reducing the vibration. This results in a shorter pulse duration, which is important for improving axial resolution. Damping does not directly affect the pulse repetition frequency, beam focus, or beam penetration, although it can have indirect effects on image quality and resolution.References:
* ARDMS Sonography Principles and Instrumentation guidelines
* "Diagnostic Ultrasound: Principles and Instruments" by Frederick W. Kremkau

NEW QUESTION # 122
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Exam SPI Simulator | SPI Test Score Report

SPI Test Score Report | Valid SPI Test Syllabus

ARDMS SPI Exam Syllabus Topics:

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

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