Ultrasound physics Study guides, Class notes & Summaries

Ultrasound Physics SPI exam

ARDMS SPI STUDY GUIDE Ultrasound Physics Certification Test Study | 180 ACTUAL QUESTIONS AND ANSWERS 100% WELL ILLUSTRATED | UPDATED

ULTRASOUND PHYSICS - MOCK EXAM QUESTIONS FOR SPI

Ultrasound Physics - Mock Exam Questions for SPI with complete solutions 2024 Which of the following transducers will have the worst axial resolution? a. Vector array, 3 MHz b. Linear Sequential Array, 6 MHZ c. Linear Phased Array 7.5 MHZ d. Annular Array, 6 MHz - ANSWER-Vector array, 3 MHz A sound wave is traveling in the body and propagates from muscle to air. What percentage of the sound wave is most likely reflected at the muscle-air boundary? a. 0.5% b. 75% c. 25% d. 5% e. ...

ULTRASOUND PHYSICS QUESTIONS AND ANSWERS

What is an artifact? not true representation of our patients anatomy or a structure in the image that does not correlate directly with actual tissue Artifacts include missing reflectors structures not representative of tissue spatial misregistration of reflectors In other words artifacts include reflections that are not real, not seen on the image, incorrect size/shape, incorrect position and incorrect brightness Artifacts occur because an error occurs somewhere in t...

Ultrasound Physics - Mock Exam Questions for SPI || Complete Questions & Answers (Rated A+) Ultrasound Physics - Mock Exam Questions for SPI || Complete Questions & Answers (Rated A+) What are the units of power? a. millimeters b. Hertz c. Watts/cm squared d. meters/sec e. Watts - ANSWER - Watts The Power in a beam is 1 watt and the area is 5cm^2. What is the beams intensity? a. 5 w/cm^2 b. 1 w/cm^2 c. 0.2 w/cm^2 d. 1 watt - ANSWER - 0.2 w/cm^2 If the intensity remains the s...

SPI Ultrasound Physics Review Exam - Questions and Answers Relates to likelihood of harmful bio effects from cavitation Mechanical index Predicts maximum temperature increase Thermal index Measures output intensity of the beam Hydrophone Region of increased brightness due to higher intensities in focal zone Focal banding Occurs when sound travels through a medium with a lower attenuation rate than the surrounding tissue Enhancement Beam travels through an area of high attenuation Shadowing Bea...

Ultrasound Physics: SPI Review, ALL Chapters, Formulas & Relationships Comprehensive Guide.

During performance of an obstetric ultrasound exam, you adjust the system parameters to improve the image. Which of the following parameters would increase acoustic exposure? A. Increase receiver gain B. Increase TGC C. Increase frequency D. Increase transmit power E. Increase frame averaging (persistence) - Increase transmit power To minimize the risk of biologic effects of ultrasound to the fetus, which imaging mode tradeoff would be most applicable? - Use M-mode instead of pulsed-wave...