spi ardms

Davies! SPI QUESTIONS AND ANSWERS GRADED A When you adjust pulse repetition frequency, you are changing: Correct Answer: The number of pulses per second When sound strikes a specular reflector at an oblique angle, the angle of reflection is: Correct Answer: Equal to the angle of incidence Which of the following describes diffuse reflection? Correct Answer: The reflected beam is scattered in various directions Which sound beam frequency would exhibit the greatest intensity loss wit...

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

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 - C to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed - A which imaging mode requires a broadband transducer? A.continuous wave doppler B.Pulsed wave doppler C.color flow imaging D.harmon...