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SPI Practice Exam Questions and Answers Plus Rationales 100% Correct (ARDMS practice tests) | Latest Update

TI-C – ANSWERS The thermal index for the cranial bone is expressed as: TI-S TI-B TI-A TI-C 20% - ANSWERS What percent of sonographers end their career because of a work-related injury? 10% 15% 18% 20% STIFFNESS - ANSWERSElastography is a technique which measures tissue: Stiffness Density Mass Echogenicity REMAINS IN THE BODY - ANSWERSThe majority of acoustic energy which enters the body: Reflects Remains in the body Disappears Is destroyed by white blood cells ...

Which of the following improves signal-to-noise ratio? - ANSWERSframe averaging Under which circumstance is cavitation most likely to occur? - ANSWERSlow frequency and high signal amplitude What is the accuracy of reflector depth position on an A, B, or M-mode display called? - ANSWERSdepth calibration Pre-processing occurs: - ANSWERSwhen the patient is scanned Post processing occurs when the image: - ANSWERSentered the A/D converter but before display The region from the transduc...

SPI PRACTICE TEST EXAM 2025 QUESTIONS AND ANSWERS

SPI Practice (ARDMS A & B) Actual Test Questions with Detailed Verified Answers / Already Graded A

SPI Practice (ARDMS A & B)Exam with correct question and perfect answers 1. C: What is dynamic aperture? A. aperture that varies with transmit frequency B. aperture that decreases as a function of time C. aperture that increases with increasing focal length D. aperture that changes as a function of frame rate 2. A: to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed 3. B: which imaging mode requires a broa...

SPI PRACTICE TEST EXAM 2025 UPDATES QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ (BRAND NEW VISION)

Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - ANSWERSd. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - ANSWERSd. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse and increases penetration c. causes poor axial and later...

Ace the SPI (Sonography Principles & Instrumentation) Exam with this 2025 updated practice test. Includes ARDMS-style questions, physics concepts, Doppler principles, and image optimization—perfect for scoring 100% on your ultrasound certification.

SPI Practice (ARDMS A & B) Actual Test Questions with Detailed Verified Answers / Already Graded A. Qs: What is dynamic aperture? A.aperture that varies with transmit frequency B.aperture that decreases as a function of time C.aperture that increases with increasing focal length D.aperture that changes as a function of frame rate - Answer: C Qs: to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation ...