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

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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 Doppler correction angle set to 0 degrees and it should have been set at 60 degrees, what is the actual velocity in the vessel? Correct Ans ~ 120 cm/s The matching layer for a transducer is usually made of plastic and is approximately _____________. Correct Ans ~ 1/4 of the probe wavelength in thickness What is the twinkle artifact? Correct Ans ~ Mosaic colors displayed in a linear pattern posterior to a dense object, such as a renal stone The AIUM has stated that there have been no confirmed reports of thermal bioeffects to living mammals with ultrasound exposure, if the temperature rise in tissue is less than: Correct Ans ~ 2 degrees Celsius Increasing the number of pulses in a color packet will: Correct Ans ~ increase frame time [Show More]

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