Spi Ultrasound Physics Review Study Guide Questions And Correct Answers

Damping reduces _____? {Ans: Pulse duration}When sound impinges on a tissue and micro bubbles are formed in the tissue {Ans: Cavitation}Bubbles expand and collapse violently and pressures are created in the tissues causing stress and cell death {Ans: Transient cavitation}Characteristics of pulsed wave doppler {Ans: Can select sample size and depth, limited by aliasing, limits to depth and velocity}What is the wavelength equation? {Ans: Propagation speed divided by the frequency}Doppler analysis: slow but accurate, spectral Doppler ( CW, PW) {Ans: Fast Fourier transform}