Practise choosing transducers, correcting artifacts, optimizing images, measuring Doppler flow, and applying safety principles for the ARDMS SPI examination. These are independent learning materials, not official exam questions or a pass prediction.
Read the SPI Preparation Guide: Ultrasound Physics, Image Optimization, Doppler, and Quality study guide and official exam sourcesExam outline and official sources
American Registry for Diagnostic Medical Sonography (ARDMS), part of Inteleos · SPI Examination Content Outline, version 24.1, linked by the current issuer page and successfully opened on 2026-10-09. No separate effective date is stated. The workbook label 'American Registry for Diagnostic Medical Sonography (ARDMS) Exams' describes an examination family; this preview explicitly maps that label to its shared SPI foundation examination while preserving the assigned slug. Specialty examinations are outside this preview's scope.
This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.
- Sonography Principles and Instrumentation (SPI)
- Sonography Principles and Instrumentation Examination Content Outline, version 24.1
- EFSUMB Course Book: Physical Principles of Medical Ultrasound
- ACEP Sonoguide: Ultrasound Physics and Technical Facts for the Beginner
- NYSORA: Image Artifacts
- NYSORA: Physics of Ultrasound
- NYSORA: Machine Settings
- NYSORA: Scanning Modes
- NYSORA: Technical Requirements
- ASE: Recommendations for Quantification of Doppler Echocardiography, 2002
- ASE: Guidelines for Performing a Comprehensive Transthoracic Echocardiographic Examination in Adults, 2019
- AIUM: Prudent Clinical Use and Safety of Diagnostic Ultrasound
- AIUM: Statement on Preventing Work-related Musculoskeletal Disorders, reapproved June 15, 2026
- AIUM Official Statement: Transducer Cleaning, Equipment Preparation, and Coupling Gel, 2025 Revision
- CDC: Recommendations for Disinfection and Sterilization in Healthcare Facilities
- FDA: Marketing Clearance of Diagnostic Ultrasound Systems and Transducers, February 21, 2023
- As Low As Reasonably Achievable (ALARA) Principle
- As Low As Reasonably Achievable (ALARA) Principle
- Recommended Maximum Scanning Times for Displayed Thermal Index (TI) Values
- rqa2.pdf
- Principles of Epidemiology: Lesson 5, Appendix A|Self-Study Course SS1978|CDC
- ECB2nd_NTX_FULL.pdf
- 679319a8a9e14f35b603b38400a12785.pdf
- ECB2nd_Chapter_KNOBOLOGY_FULL.pdf
- SafetyPresentation_V032022_Handout.pdf
Sonography Principles and Instrumentation (SPI) Examination
Start with 20 free questions, then review the explanations and any topics you missed.
A smooth superficial structure appears dark when the beam strikes it obliquely. It becomes bright when the operator rocks the probe toward perpendicular incidence. Which mechanism best explains the change?
Sonography Principles and Instrumentation (SPI) Examination
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Perform Ultrasound Examinations
Acoustic impedance
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