ARDMS SPI Practice Exam B Graded A+

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