SPI Ultrasound Physics Review | 135 Questions with 100% Correct Answers | Verified | Latest Update 2024

What is frequency determined by? - The source, thickness of piezoelectric element and propagation speed to a lesser degree Thicker element is equal to ________ frequencies - Lower What is the reciprocal of frequency and what is the symbol - Period, T The time it takes for 1 cycle to occur - Period What is propagation speed determined by - Stiffness and density of the medium Propagation speed of sound through soft tissue - 1,540 m/s Increasing the stiffness of a tissue does what to the propagation speed? - Increases Increasing the density of a tissue does what to the propagation speed? - Decreases Propagation speed of tissues from slowest to fastest - Air, fat, water, liver, blood, muscle, bone What is the distance over which one cycle occurs? - Wavelength What happens to frequency when you increase the wavelength? - Decreases What is the wavelength symbol - Lambda