SPI Mock RE E23 Exam Questions And
Answers
If the lines per frame increases and the depth remains the same,
what other system parameter must change for sound wave
production? -
correct answer ✅PRF
While scanning an echo, you change the gray map to new choice
and continue to scan. This would be termed a change in -
correct answer ✅preprocessing
Vessel wall thickness and plaque morphology are best evaluated in
2D when the beam is at what incident angle to the vessel?
A. 0 degrees
B. 45 degrees
C. 60 degrees
D. 90 degrees -
correct answer ✅D. 90 degrees
Which of the following is responsible for comet tail artifact?
A. reflection
B. absorption
,SPI Mock RE E23 Exam Questions And
Answers
C. Rayleigh Scatter
D. refraction -
correct answer ✅A. reflection
Which color Doppler control helps to find a balance between the
accuracy of the color displayed and the temporal resolution of the
image? -
correct answer ✅packet size
Which image demonstrates ring down artifact? -
correct answer ✅
When the Doppler tracing demonstrates a thin outline for a peaked
waveform with a large spectral window, this indicates: -
correct answer ✅laminar flow
Which of the following conditions requires staff to use a personal
respirator when entering the patient's room and providing care?
A. mumps
B. tuberculosis
,SPI Mock RE E23 Exam Questions And
Answers
C. recent organ transplant
D. pneumonia -
correct answer ✅B. tuberculosis
Which of the following Doppler angles would lead to the most
significant error in of velocity?
A. 25
B. 45
C. 65
D. 80 -
correct answer ✅D. 80
As the cosine of the cursor angle increases: -
correct answer ✅the calculated velocity decreases
How can you adjust the elevation focus to a more superficial
location in a 1D array transducer? -
correct answer ✅use a stand off pad
, SPI Mock RE E23 Exam Questions And
Answers
Which of the following is an advantage of a 2-D linear phase array
over a 1-D linear phased array transducer?
A. ability to adjust the lateral resolution
B. ability to perform 3D imaging
C. ability to use single or multiple focal zones
D. ability to use electronic steering to vary the incident angle of the
beam -
correct answer ✅B. ability to perform 3D imaging
Which of the following lists the correct equation for duty factor?
A. Pulse repetition period X pulse duration
B. Pulse repetition period X pulse duration / pulse repetition
frequency
C. Pulse duration / Pulse repetition period
D. Pulse repetition period / pulse duration -
correct answer ✅C. Pulse duration / Pulse repetition period
A high mechanical index is associated with: -
correct answer ✅low frequency, high amplitude sound waves
Answers
If the lines per frame increases and the depth remains the same,
what other system parameter must change for sound wave
production? -
correct answer ✅PRF
While scanning an echo, you change the gray map to new choice
and continue to scan. This would be termed a change in -
correct answer ✅preprocessing
Vessel wall thickness and plaque morphology are best evaluated in
2D when the beam is at what incident angle to the vessel?
A. 0 degrees
B. 45 degrees
C. 60 degrees
D. 90 degrees -
correct answer ✅D. 90 degrees
Which of the following is responsible for comet tail artifact?
A. reflection
B. absorption
,SPI Mock RE E23 Exam Questions And
Answers
C. Rayleigh Scatter
D. refraction -
correct answer ✅A. reflection
Which color Doppler control helps to find a balance between the
accuracy of the color displayed and the temporal resolution of the
image? -
correct answer ✅packet size
Which image demonstrates ring down artifact? -
correct answer ✅
When the Doppler tracing demonstrates a thin outline for a peaked
waveform with a large spectral window, this indicates: -
correct answer ✅laminar flow
Which of the following conditions requires staff to use a personal
respirator when entering the patient's room and providing care?
A. mumps
B. tuberculosis
,SPI Mock RE E23 Exam Questions And
Answers
C. recent organ transplant
D. pneumonia -
correct answer ✅B. tuberculosis
Which of the following Doppler angles would lead to the most
significant error in of velocity?
A. 25
B. 45
C. 65
D. 80 -
correct answer ✅D. 80
As the cosine of the cursor angle increases: -
correct answer ✅the calculated velocity decreases
How can you adjust the elevation focus to a more superficial
location in a 1D array transducer? -
correct answer ✅use a stand off pad
, SPI Mock RE E23 Exam Questions And
Answers
Which of the following is an advantage of a 2-D linear phase array
over a 1-D linear phased array transducer?
A. ability to adjust the lateral resolution
B. ability to perform 3D imaging
C. ability to use single or multiple focal zones
D. ability to use electronic steering to vary the incident angle of the
beam -
correct answer ✅B. ability to perform 3D imaging
Which of the following lists the correct equation for duty factor?
A. Pulse repetition period X pulse duration
B. Pulse repetition period X pulse duration / pulse repetition
frequency
C. Pulse duration / Pulse repetition period
D. Pulse repetition period / pulse duration -
correct answer ✅C. Pulse duration / Pulse repetition period
A high mechanical index is associated with: -
correct answer ✅low frequency, high amplitude sound waves
