Edelman SPI Comprehensive Midterm Exam
/Edelman SPI Exam Predictor TEST BANK
/Edelman SPI Practice Exam With Complete
Questions And Correct Answers with Deatailed
Rationales Graded A+
In the following waveform, the end-diastolic flow velocity cannot be measured. What control
adjustment should be performed to obtain this measurement?
See image for question #484
A: Increase the pulse repetition frequency
B: Decrease the angle of incidence
C: Lower the zero baseline
D: Increase the Doppler gain
E: Lower wall filter - Correct Answer :E: Lower wall filter
You have encountered spectral broadening of the internal carotid artery waveform. This most
likely indicates:
A: Slow heart rate
B: Tachycardia
C: Accelerated flow
D: Turbulent flow
E: High resistance flow - Correct Answer :D: Turbulent flow
Distal to a stenosis, flow becomes _____. - Correct Answer :Turbulent
A+ TEST BANK 1
, Edelman SPI Comprehensive Exam
A broadening of the spectrum of frequencies reflected back to the transducer. - Correct Answer
:Spectral broadening
What flow characteristic is depicted in this illustration?
See image for question #486
A: Turbulent flow
B: Blunt flow profile
C: Flat flow profile
D: Stenotic flow profile
E: Parabolic flow profile - Correct Answer :E: Parabolic flow profile
What term describes the number of pulses that are used to determine the velocity along a color
line of sight?
A: Color gate
B: Packet size
C: Pulse repetition frequency
D: Pulse duration
E: Pulse repetition period - Correct Answer :B: Packet size
Packet size is also know as what two things? - Correct Answer :-Ensemble length
-Shots per line
What display method below will help you to demonstrate flow turbulence with color Doppler?
A: Autocorrelation
B: Variance
C: Fast Fourier analysis
D: Zero-crossing detection
A+ TEST BANK 2
, Edelman SPI Comprehensive Exam
E: Phase quadrature detection - Correct Answer :B: Variance
What term would describe a Doppler waveform obtained at location "C" in this depiction of an
arterial stenosis?
See image for question #489
A: Parabolic flow profile
B: Laminar flow profile
C: Plug flow profile
D: Spectral broadening flow profile
E: Dampened flow profile - Correct Answer :D: Spectral broadening flow profile
_____ maps have a green shade that is used to indicate turbulence. - Correct Answer :Variance
Variance maps are primarily used for _____ scanning. - Correct Answer :Cardiac
Variance maps should not be confused with ______, which contain some green adjacent to the
blue color. - Correct Answer :Rainbow maps
Rainbow maps are commonly used in ____ scanning. - Correct Answer :Vascular
With rainbow maps, the green ______ indicate turbulence. - Correct Answer :Does not
What parameter describes the axial length of the sampling volume for a color pixel?
A: Color gate
B: Packet size
C: Pulse repetition frequency
D: Pulse repetition period
A+ TEST BANK 3
, Edelman SPI Comprehensive Exam
E: Line density - Correct Answer :A: Color gate
What type of Doppler device uses two elements, one to receive and one to transmit?
A: Power Doppler
B: Color Doppler
C: Continuous-wave Doppler
D: Pulsed-wave Doppler
E: All of the above - Correct Answer :C: Continuous-wave Doppler
Spectral analysis is used to:
A: Determine the distribution and magnitude of frequency shifts in the reflected Doppler signal
B: Eliminate aliasing from the reflected signal
C: Color-encode the Doppler frequency shift
D: Eliminate low-frequency shifts from the display
E: Determine the velocity of the moving reflector - Correct Answer :A: Determine the distribution
and magnitude of frequency shifts in the reflected Doppler signal
Color flash artifact is obscuring the anatomy of interest in an exam of the abdominal aorta. What
can you do to reduce impact of the flash?
A: Increase the color gain
B: Decrease the pulse repetition frequency
C: Increase the wall filter
D: Increase the packet size
E: Increase the Doppler transmit frequency - Correct Answer :C: Increase the wall filter
Typically a high-amplitude but low-frequency shift signal. - Correct Answer :Flash artifact
A+ TEST BANK 4