SPI EXAM REVIEW 2026|ACTUAL
QUESTIONS AND ANSWERS
Which ultrasound parameter directly affects an ultrasound beam's intensity?
A.TGC
B.operating frequency
C.Output power
D.Frame rate - correct-answer -C. Output power
The center frequency of a transducer depends primarily upon which
characteristics of the crystal?
A.width
B.length
C.spacing
D.thickness - correct-answer -D.thickness
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Which statement is most accurate regarding surface rendering three-dimensional
ultrasound imaging?
A.improves accuracy of volume measurement
B.minimizes effect of attenuation artifacts
C.spatial resolution improve when using high resolution mesh
D.feature-based reconstruction store full three-dimensional volume acquired -
correct-answer -B.minimizes effect of attenuation artifacts
What is dynamic aperture?
A.aperture that varies with transmit frequency
B.aperture that decreases as a function of time
C.aperture that increases with increasing focal length
D.aperture that changes as a function of frame rate - correct-answer -C.aperture
that increases with increasing focal length
What affects the beam width in the near field?