Social Sciences > QUESTIONS & ANSWERS > SPI Practice (ARDMS A & B) Questions and Answers Already Graded A (All)
SPI Practice (ARDMS A & B) Questions and Answers Already Graded A C What is dynamic aperture? A.aperture that varies with transmit frequency B.aperture that decreases as a function of time C.ape... rture that increases with increasing focal length D.aperture that changes as a function of frame rate A to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed B which imaging mode requires a broadband transducer? A.continuous wave doppler B.Pulsed wave doppler C.color flow imaging D.harmonic imaging B what is the doppler shift frequency? A.recieved ultrasound frequency multiplied by the transmitted ultrasound frequency B.difference between the transmitted ultrasound frequency and the received ultrasound frequency C.sum of the transmitted and received ultrasound frequencies D.ratio of the transmitted ultrasound frequency to the received ultrasound frequency A what is the potential effect of increasing the pulse repetition frequency(PRF)? A.Depth ambiguity B.Decreased frame rate C.Poor spatial resolution D.Decreased penetration B what is an advantage of using pulsed wave doppler compared to continuous wave doppler? A.higher echo sensitivity B.ability to select sample depth C.decreased display of aliasing D.improved temporal resolution D what affects the beam width in the near field? A.Pulse repetition frequency B.Pulse duration C.Frame rate D.Transducer aperture D what is the advantage of using pulsed-wave doppler versus continuous-wave doppler? A.allows measurement of higher velociti [Show More]
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ARDMS SPI BUNDLED EXAMS QUESTIONS AND ANSWERS GRADED A+
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