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ARDMS SPI MOCK EXAM QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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ARDMS SPI MOCK EXAM QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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Name: Score:34 Multiple choice questions
Term
Increasing the transducer frequency will reduce the appearance of _____________, while increasing
the appearance of ____________ on Doppler evaluation.
electronic focusing occurs
spectral broadening
low
range ambiguity, aliasing1 of 34
Term
What term indicates the phenomenon of a PW Doppler tracing displaying a wider distribution
of the velocity of blood cells with varying degrees of arterial blockage?
Spectral broadening
Scan converter
Lateral
Skin and pe element2 of 34 Term
As the propagation speed of the crystal increases, the frequency of the transducer:
bone
The speed of sound is fastest in bone. Longer wavelengths occur with faster propagation
speeds
Increase rejection
Contrast refers to the difference between the image densities of two areaas.
increases
PE element propagation speed is directly related to transducer frequency
increase frame rate3 of 34
Term
Steering the color Doppler sample box will cause changes in the:
Stenosis of the vessel
Power of the beam
Doppler shift and angle of insonation
Refraction4 of 34
Term
Which of the following is a limitation of power Doppler?
Color display is not angle dependent
Color display is not angle Dependent
Cw doppler
Slower frame rates than color Doppler5 of 34 Term
Which of the following correctly describes Power Doppler
Color display is not angle dependent
Lateral
Slower frame rates than color doppler
Skin and pe element6 of 34
Term
What changes occur to the ultrasound beam when timed pulses are emitted from the edge
elements to the center elements of the phased transducer
range ambiguity, aliasing
electronic focusing occurs
beam former
skin and pe element7 of 34
Term
How do you adjust your technique to reduce or eliminate cross talk on a Doppler tracing?
Cw doppler
Scan converter
Power of The beam
Turn down Doppler gain8 of 34
Term
Blood flow that varies with respiration is described as:
Improve
Scan Converter
Phasic
Lateral9 of 34 Term
Refraction will cause improper ____________ positioning of echoes on the image
spectral broadening
refraction
lateral
electronic focusing occurs10 of 34
Term
Which of the following artifacts can NOT be corrected by increasing the wall filter setting?
lateral
aliasing artifact
switch to a higher frequency transducer
scan converter11 of 34
Term
If you are using a transducer with a 100 microsecond pulse repetition perios, a Doppler shift
greater than ____________ will lead to aliasing on the display.
cw doppler
10 khz
5 kHz
0 khz12 of 34
Term
Which of the following can be done to reduce the beam divergence?
Lateral
Power of the beam
Switch to a higher frequency transducer
Aliasing artifact13 of 34
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