2025 ARDMS SPI Exam: Complete Set of 100+ Questions with Verified Answers and Detailed Rationales | Graded A+

2025 ARDMS SPI Exam: Complete Set of 100+ Questions with Verified Answers and Detailed Rationales | Graded A+ Description: This comprehensive document contains 100+ multiple-choice questions from the 2025 ARDMS SPI (Sonography Principles and Instrumentation) Exam, complete with verified answers and detailed rationales. Each question is designed to test key concepts in ultrasound physics, instrumentation, image optimization, Doppler principles, artifacts, and safety. Topics covered include: Wave propagation, frequency, wavelength, and intensity Transducer types, properties, and beam formation Image resolution, frame rate, and scan line density Doppler shift, aliasing, spectral analysis, and flow characteristics Artifacts, harmonics, and bioeffects System controls such as TGC, dynamic range, PRF, and gain Ideal for sonography students, echo technologists, and ARDMS candidates preparing for the SPI exam, this resource provides a thorough review of essential principles and practical applications. All answers are verified and accompanied by clear explanations to reinforce understanding and ensure exam readiness.