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ARDMS SPI PRACTICE TEST A ACTUAL TEST QUESTIONS WITH DETAILED VERIFIED ANSWERS / ALREADY GRADED

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2026/2027 Written for academic year
Institution ARDMS SPI
Course ARDMS SPI
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Prepare for the ARDMS SPI Practice Test A – Sonography Principles & Instrumentation with a comprehensive SPI Exam Review and Practice Question Resource featuring original exam-style questions, correct answers, and detailed explanations. This resource covers high-yield ultrasound physics and instrumentation topics, including sound-wave properties, frequency, wavelength, amplitude, propagation speed, intensity, attenuation, acoustic impedance, reflection, refraction, scattering, absorption, transducers, beam characteristics, focusing, axial and lateral resolution, Doppler principles, hemodynamics, spectral Doppler, color Doppler, artifacts, imaging optimization, bioeffects, ALARA, and quality assurance. Ideal for ARDMS SPI candidates, sonography students, ultrasound technologists, and diagnostic medical sonography professionals preparing for comprehensive examination review.

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ARDMS SPI PRACTICE TEST A

ACTUAL TEST QUESTIONS WITH

DETAILED VERIFIED ANSWERS /

ALREADY GRADED

Which parameter is most likely to affect spatial resolution?A.dynamic
range

B.beam width

C.system sensitivity

D.depth of visualization - CORRECT ANSWER -D.depth of
visualization



When using a 5MHZ transducer, in which tissue is the ultrasound
wavelength shortest?

A.fat

B.blood

C.bone

D.muscle - CORRECT ANSWER -A.fat

, What affects the beam width in the near field?

A.Pulse repetition frequency

B.Pulse duration

C.Frame rate

D.Transducer aperture - CORRECT ANSWER -D.Transducer
aperture



Which variable caused the color change from blue to red of the vessel
in this image?

A.change in vessel direction

B.color scale set to low

C.turbulent flow

D.severe stenosis - CORRECT ANSWER -A.change in vessel
direction



Which imaging mode requires a broadband transducer?A.continuous
wave doppler

B.Pulsed wave doppler

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