ARDMS SPI - Full Module 1-10 Verified Multiple
Choice and Conceptual Actual Emended Exam
Questions With Reviewed 100% Correct
Detailed Answers
Guaranteed Pass!!Current Update!!
Module 1: Basic Ultrasound Physics
• Sound waves and acoustic parameters
o Frequency, period, wavelength, propagation speed
o Amplitude, power, intensity, beam profile
• Acoustic interactions with tissue
o Reflection, refraction, scattering, absorption, attenuation
o Impedance and interfaces
• Units and measurements (Hz, dB, MHz, m/s, W/cm²)
Module 2: Transducers
• Piezoelectric effect and crystal mechanics
• Types of transducers:
o Linear, curved, sector, phased array
o Annular arrays, intracavitary, specialized probes
• Beam characteristics
o Near field (Fresnel) and far field (Fraunhofer)
o Focusing (mechanical, electronic)
o Grating lobes, side lobes
, • Resolution concepts:
o Axial, lateral, elevational, temporal resolution
Module 3: Image Formation and Instrumentation
• Pulser and pulse parameters
• Beam former and channels
• Receiver functions:
o Amplification (gain)
o Compensation (TGC/DGC)
o Compression (dynamic range)
o Demodulation, rectification, smoothing
o Reject / suppression
• Scan converter (analog vs digital)
• Display systems and storage
Module 4: Image Processing & Display
• B-mode (brightness mode) imaging principles
• M-mode imaging
• Gray-scale imaging and mapping
• Harmonic imaging
• Spatial, contrast, temporal resolution tradeoffs
• Preprocessing vs postprocessing
Module 5: Doppler Principles
• Doppler effect and frequency shift
• Continuous wave (CW) Doppler
, o Advantages, limitations, aliasing absence
• Pulsed wave (PW) Doppler
o Nyquist limit, aliasing, PRF relationships
• Color Doppler imaging
o Color maps (velocity vs variance)
o Turbulence detection
• Power Doppler
o Sensitivity, limitations
• Spectral Doppler analysis
o Spectral broadening, laminar vs turbulent flow
o Wall filters and baseline adjustments
Module 6: Artifacts
• Propagation artifacts
o Reverberation, comet tail, ring down
o Multipath, speed errors, refraction
• Attenuation artifacts
o Shadowing, enhancement, edge shadowing
• Doppler artifacts
o Aliasing, mirror imaging, flash artifact
• Slice thickness / volume averaging artifacts
• Range ambiguity artifact
Module 7: Quality Assurance & Safety
• Bioeffects and safety principles
o Thermal Index (TI)
, o Mechanical Index (MI)
• ALARA principle
• AIUM safety guidelines
• Beam intensity measurements (SPTA, SATA, SATP, etc.)
• System quality assurance testing
o Phantoms: tissue-mimicking, Doppler, slice thickness
o Performance checks: sensitivity, dynamic range, resolution
Module 8: Hemodynamics and Fluid Dynamics
• Flow characteristics
o Pulsatile, steady, laminar, turbulent flow
o Plug flow vs parabolic flow
• Pressure gradients and resistance
• Poiseuille’s Law
• Spectral broadening and flow profiles
• Venous vs arterial flow patterns
Module 9: Advanced Imaging Techniques
• Harmonics and contrast agents
• Tissue Doppler imaging
• Elastography
• 3D/4D ultrasound basics
• Emerging technologies in sonography
Module 10: Clinical Applications of SPI
• Applying physics concepts in:
Choice and Conceptual Actual Emended Exam
Questions With Reviewed 100% Correct
Detailed Answers
Guaranteed Pass!!Current Update!!
Module 1: Basic Ultrasound Physics
• Sound waves and acoustic parameters
o Frequency, period, wavelength, propagation speed
o Amplitude, power, intensity, beam profile
• Acoustic interactions with tissue
o Reflection, refraction, scattering, absorption, attenuation
o Impedance and interfaces
• Units and measurements (Hz, dB, MHz, m/s, W/cm²)
Module 2: Transducers
• Piezoelectric effect and crystal mechanics
• Types of transducers:
o Linear, curved, sector, phased array
o Annular arrays, intracavitary, specialized probes
• Beam characteristics
o Near field (Fresnel) and far field (Fraunhofer)
o Focusing (mechanical, electronic)
o Grating lobes, side lobes
, • Resolution concepts:
o Axial, lateral, elevational, temporal resolution
Module 3: Image Formation and Instrumentation
• Pulser and pulse parameters
• Beam former and channels
• Receiver functions:
o Amplification (gain)
o Compensation (TGC/DGC)
o Compression (dynamic range)
o Demodulation, rectification, smoothing
o Reject / suppression
• Scan converter (analog vs digital)
• Display systems and storage
Module 4: Image Processing & Display
• B-mode (brightness mode) imaging principles
• M-mode imaging
• Gray-scale imaging and mapping
• Harmonic imaging
• Spatial, contrast, temporal resolution tradeoffs
• Preprocessing vs postprocessing
Module 5: Doppler Principles
• Doppler effect and frequency shift
• Continuous wave (CW) Doppler
, o Advantages, limitations, aliasing absence
• Pulsed wave (PW) Doppler
o Nyquist limit, aliasing, PRF relationships
• Color Doppler imaging
o Color maps (velocity vs variance)
o Turbulence detection
• Power Doppler
o Sensitivity, limitations
• Spectral Doppler analysis
o Spectral broadening, laminar vs turbulent flow
o Wall filters and baseline adjustments
Module 6: Artifacts
• Propagation artifacts
o Reverberation, comet tail, ring down
o Multipath, speed errors, refraction
• Attenuation artifacts
o Shadowing, enhancement, edge shadowing
• Doppler artifacts
o Aliasing, mirror imaging, flash artifact
• Slice thickness / volume averaging artifacts
• Range ambiguity artifact
Module 7: Quality Assurance & Safety
• Bioeffects and safety principles
o Thermal Index (TI)
, o Mechanical Index (MI)
• ALARA principle
• AIUM safety guidelines
• Beam intensity measurements (SPTA, SATA, SATP, etc.)
• System quality assurance testing
o Phantoms: tissue-mimicking, Doppler, slice thickness
o Performance checks: sensitivity, dynamic range, resolution
Module 8: Hemodynamics and Fluid Dynamics
• Flow characteristics
o Pulsatile, steady, laminar, turbulent flow
o Plug flow vs parabolic flow
• Pressure gradients and resistance
• Poiseuille’s Law
• Spectral broadening and flow profiles
• Venous vs arterial flow patterns
Module 9: Advanced Imaging Techniques
• Harmonics and contrast agents
• Tissue Doppler imaging
• Elastography
• 3D/4D ultrasound basics
• Emerging technologies in sonography
Module 10: Clinical Applications of SPI
• Applying physics concepts in:
