spi ardms

Which of the following describes the difference between side lobes and grating lobes? Correct Ans ~ Grating lobes are seen with arrays and side lobes are seen with single element probes Color Doppler is evaluated with what type of phantom? Correct Ans ~ Fluid filled phantom If the ultrasound image is too black and white, which of the following will add more levels gray to the image? Correct Ans ~ Decrease rejection levels If you obtain a peak velocity of 60 cm/s with the ...

What type of wave is sound? Correct Ans ~ mechanical and longitudinal The frequency ranges for ultrasound are: Correct Ans ~ >20 kHz The speed of sound in soft tissue is: Correct Ans ~ 1540 m/s which of the following transducers fires the elements in groups? A. Linear sequenced array B. Phased array C. Continuous-wave transducer D. Single-element transducer Correct Ans ~ A Enhancement is caused by** Correct Ans ~ weakly attenuating structures wavele...

What type of wave is sound? Correct Ans ~ mechanical and longitudinal The frequency ranges for ultrasound are: Correct Ans ~ >20 kHz The speed of sound in soft tissue is: Correct Ans ~ 1540 m/s which of the following transducers fires the elements in groups? A. Linear sequenced array B. Phased array C. Continuous-wave transducer D. Single-element transducer Correct Ans ~ A Enhancement is caused by** Correct Ans ~ weakly attenuating structures wavele...

SPI - ARDMS Mock Exam 2022/2023 - Question And Answers

SPI ARDMS EXAM QUESTIONS AND ANSWERS/STUDY GUIDE LATEST UPDATE

what is dynamic aperture? A.aperture that varies with transmit frequency B.aperture that decreases as a function of time C.aperture that increases with increasing focal length D.aperture that changes as a function of frame rate - ANSWER C to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed - ANSWER A which imaging mode requires a broadband transducer? A.continuous wave doppler B.Pulsed wave doppler C.color fl...