Ultrasound physics spi - Study guides, Class notes & Summaries

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 - Mock Exam Questions for SPI | Questions and Correct Answers | Latest Update 2024/2025 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....

ARDMS SPI STUDY GUIDE (Ultrasound Physics Certification Test Study Questions) WITH CORRECT ANSWERS.

Ultrasound Physics - Mock Exam Questions for SPI Practice Questions and Answers (100% Pass)

SPI ULTRASOUND PHYSICS REVIEW

SPI ultrasound physics review | Questions and Correct Answers | Latest Update 2024/2025 What is frequency determined by? - Answer -The source, thickness of piezoelectric element and propagation speed to a lesser degree Thicker element is equal to ________ frequencies - Answer -Lower What is the reciprocal of frequency and what is the symbol - Answer - Period, T The time it takes for 1 cycle to occur - Answer -Period What is propagation speed determined by - Answer -Stiffness and densi...

Definition of Duty Factor? - ️️The percentage of time the pulse is on -Unitless (just a number) -For continuous wave, duty factor = 100% -For pulsed wave, Duty Factor is less than 1% What are the two types of Ultrasound Waves? - ️️1.) Electromagnetic - Wave travels through a vacuum. 2.) Mechanical - Wave must travel through a medium. Meaning of Anechoic? - ️️Dark, less echos. Meaning of Echogenic? - ️️Full of echoes. Meaning of Hyperechoic? - ️️More echoes than adjac...

When will the Doppler shift be the highest? A.when the beam is parallel to the direction of flow B.when the beam is at a 45 degree angle to flow C.when the beam is perpendicular to the direction of flow D. Doppler shift is unrelated to beam angle Correct Answer: A.when the beam is parallel to the direction of flow Which of the following best describes the principles of hemodynamics? -The pressure difference required for blood to flow -The pressure created in a fluid system -A fluid's...

Which of the following statements about speed and attenuation are true? a. Attenuation through and propagation speed in a particular medium are unrelated to each other. b. When a sound beam travels faster in a medium, the attenuation is less. c. When a sound beam travels slower in a medium, the attenuation is more. - ️️Attenuation through and propagation speed in a particular medium are unrelated to each other. Which of the following lists is in increasing order? a. mega, kilo, milli...