Which artifact is illustrated by this image?
a) Shadowing
b) Side Lobe
c) Reverberation
d) Mirroring
What is increased if the pulse duration is decreased?
a) Bandwidth
b) Line Density
c) Frame Rate
d) Duty Factor
00:32
01:17
What is the most appropriate action for the so...
what is increased if the pulse duration is decreased
what is the most appropriate action for the sonograp
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ARDMS SPI Practice
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ARDMS SPI Practice Exam B
Which artifact is illustrated by this image? - Answer a) Shadowing
b) Side Lobe
c) Reverberation
d) Mirroring
What is increased if the pulse duration is decreased? - Answer a) Bandwidth
b) Line Density
c) Frame Rate
d) Duty Factor
What is the most appropriate action for the sonographer to take when receiving a verbal
order for an exam? - Answer a) Deny performance of the exam until a written request is
received
b) Seek approval from supervisor
c) Verbally repeat the request back to the referrer to verify correctness
d) Document two forms of ID of the patient
What is the round trip time in soft tissue for an echo from a reflector at a depth of 1 cm -
Answer a) 1.54 usec
b) 6.5 usec
c)13 usec
d) 26 usec
What adjustment should be made to avoid the aliasing displayed on this spectral
doppler image seen on spectral analysis? - Answer a) Reposition sample volume so it is
deeper.
b) Decrease acoustic power
c) Change the doppler angle from 60 to 45 degrees
d) Decrease the transducer freq
In an unfocused transducer, what is the region between the transducer face and the
point where the beam diverges? - Answer a) Side lobe
b) Focal Zone
c) Near field
d) Far field
What caused the color pattern demonstrated in the artery indicated by the arrow in this
image? - Answer a) Superimposed venous flow
b) Aliasing
c) Flow reversal
d) Color side lobe artifact
What technique increases the sharpness of high contrast boundaries? - Answer a) Edge
enhancement
b) Interpolation
c) Smoothing
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