Ultrasound physics spi - Study guides, Class notes & Summaries

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

SPI ULTRASOUND PHYSICS REVIEW

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...

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...

UNDERSTANDING ULTRASOUND PHYSICS - SPI EXAM QUESTIONS WITH ANSWERS

Ultrasound Physics - Mock Exam Questions for SPI 2023/2024 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. 99% - ANSWER-75% W...

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...

SPI Exam- Ultrasound Physics Summary. with complete solution