SPI - ARDMS Exam Prep A22 Mock Exam
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BLANK compares each reflected echo to the same echo from a previous US
pulse to determine if motion is present - -Autocorrelation
What type of transducer array has the fewest elements - ✅✅-annular
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Which of the following determines the frequency of waves produced by a
contiuous wave transducer? - -frequency of the elecrtical excitation voltage
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If blood pressure increases with no change in resistance, what happens -
-increased flow rate
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If an ultrasound beam passes from the soft tissue through a large fatty mass and
then back into soft tissue, what will be displayed on the image? - -echoes
from tissues posterior to the mass with be displaced deeper on the image
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BLANK can be used to reduce image noise and clutter on the 2D image -
-spatial compounding
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Which of the following transducers will produce the highest frequency sound
waves? - -2mm thickness, 6mm propagation speed
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