ARDMS SPI Practice Exam B
Which artifact is illustrated by this image? Ans- a) Shadowing
b) Side Lobe
c) Reverberation
d) Mirroring
What is increased if the pulse duration is decreased? Ans- a) Bandwidth
b) Line Density
c) Frame Rate
d) Duty Factor
What is the most appropriate action for ...
ARDMS SPI Practice Exam B
Which artifact is illustrated by this image? Ans- a) Shadowing
b) Side Lobe
c) Reverberation
d) Mirroring
What is increased if the pulse duration is decreased? Ans- 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? Ans- 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 Ans- 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? Ans- 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? Ans- 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? Ans- a)
Superimposed venous flow
b) Aliasing
c) Flow reversal
d) Color side lobe artifact
What technique increases the sharpness of high contrast boundaries? Ans- a) Edge enhancement
b) Interpolation
c) Smoothing
d) Frame averaging
Which setting of an ultrasound system gives the sonographer the ability to display both strong and weak
echoes? Ans- a) Dynamic range
b) Resolution
c) Range calibration
d) Sensitivity
Which condition must be present for refraction to occur? Ans- a) Presence of a strong specular reflector
b) Presence of several small reflectors
c) Difference in tissue prop speeds
d) A change in the angle of reflection
In this image, most of the blood flow is in which direction? Ans- a) Right to left
b) Left to right
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