1|Page
SPI TEST EXAM AND PRACTICE EXAM QUESTIONS
2025/ 2026 COMPLETE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS WITH RATIONALES
(100% CORRECT ANSWERS) /ALREADY GRADED
A+||VERIFIED EXAM!!||
Which of the following do the source and the medium
determine?
a. duty factor
b. frequency
c. propagation speed
d. axial resolution - Answer-d.
Axial resolution is affected by all of the following EXCEPT
a. frequency
b. damping
c. spatial pulse length
d. focusing - Answer-d.
If the following is increases, flow increases
,2|Page
a. Pressure Difference
b. Resistance
c. Length of vessel
d. A and B - Answer-a.
The Doppler shift is zero when the angle between the
sound direction and the movement of the flow direction is
____________ degrees.
a. 30
b. 60
c. 90
d. 45 - Answer-c.
Doppler shift frequency does not depend on:
a. Amplitude
b. Flow velocity
c. Operating frequency
d. Propagation speed - Answer-a.
,3|Page
A slice-thickness phantom measures which plane of the
transducer?
a. the scanning plane
b. The elevation plane
c. The azimuthal plane
d. The temporal plane - Answer-b.
Which of the following is not a technique that will reduce
grating lobes?
a. Tissue harmonic imaging
b. Apodization
c. Subdicing
d. Edge enhancement - Answer-d.
The test object to the right has a propagation speed of
1,540 m/s, and attenuates like soft-tissue. It is useful for
evaluating for caliper accuracy, dead zone, axial and
lateral resolution, and grayscale contrast. It is a:
, 4|Page
a. Doppler phantom
b. AIUM 100mm phantom
c. Tissue equivalent phantom
d. Beam profile phantom - Answer-c.
The dynamic range of an US system is defined as:
a. The speed with which an ultrasound examination can be
performed
b. The range of pulser voltages applied to the transducer
c. The range over which the transducer can be
manipulated
d. The ratio of the maximum to the minimum amplitude
that can be displayed - Answer-d.
What control should be used to fix the image to the right?
a. Increase the frequency
b. Increase overall gain
c. Lower the frequency
SPI TEST EXAM AND PRACTICE EXAM QUESTIONS
2025/ 2026 COMPLETE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS WITH RATIONALES
(100% CORRECT ANSWERS) /ALREADY GRADED
A+||VERIFIED EXAM!!||
Which of the following do the source and the medium
determine?
a. duty factor
b. frequency
c. propagation speed
d. axial resolution - Answer-d.
Axial resolution is affected by all of the following EXCEPT
a. frequency
b. damping
c. spatial pulse length
d. focusing - Answer-d.
If the following is increases, flow increases
,2|Page
a. Pressure Difference
b. Resistance
c. Length of vessel
d. A and B - Answer-a.
The Doppler shift is zero when the angle between the
sound direction and the movement of the flow direction is
____________ degrees.
a. 30
b. 60
c. 90
d. 45 - Answer-c.
Doppler shift frequency does not depend on:
a. Amplitude
b. Flow velocity
c. Operating frequency
d. Propagation speed - Answer-a.
,3|Page
A slice-thickness phantom measures which plane of the
transducer?
a. the scanning plane
b. The elevation plane
c. The azimuthal plane
d. The temporal plane - Answer-b.
Which of the following is not a technique that will reduce
grating lobes?
a. Tissue harmonic imaging
b. Apodization
c. Subdicing
d. Edge enhancement - Answer-d.
The test object to the right has a propagation speed of
1,540 m/s, and attenuates like soft-tissue. It is useful for
evaluating for caliper accuracy, dead zone, axial and
lateral resolution, and grayscale contrast. It is a:
, 4|Page
a. Doppler phantom
b. AIUM 100mm phantom
c. Tissue equivalent phantom
d. Beam profile phantom - Answer-c.
The dynamic range of an US system is defined as:
a. The speed with which an ultrasound examination can be
performed
b. The range of pulser voltages applied to the transducer
c. The range over which the transducer can be
manipulated
d. The ratio of the maximum to the minimum amplitude
that can be displayed - Answer-d.
What control should be used to fix the image to the right?
a. Increase the frequency
b. Increase overall gain
c. Lower the frequency
