SPI Mock Exam C16 Questions And Answers
What is the period for a 5MHz transducer? -
correct answer ✅0.2 microseconds
(5 MHz= 5,000,000 Hz
period= 1/frequency
period=1/5,000,000 Hz= 0.0000002 or 0.2 microseconds)
If two calcifications are located side by side in the liver with a 3 mm
distance between and the beam width is 6mm, how will the
structures appear on the image? -
correct answer ✅as a single elongated horizontal reflection.
___________ occurs posterior to highly attenuating structures -
correct answer ✅shadowing
How do you determine the lateral resolution for an unfocused,
single element transducer? -
correct answer ✅1/2 element diameter
As the Doppler angle increases to 90 degrees the calculated flow
velocity varies and approaches what value? -
correct answer ✅0 m/s
,SPI Mock Exam C16 Questions And Answers
If more cycles are added to a pulse, which of the following types of
resolution is degraded? -
correct answer ✅axial
Which of the following principles of sound describes the formation
of the hourglass shape of the beam? -
correct answer ✅Huygen's
Increasing the ___________ will aid in the ability to properly trace
the contour of the Doppler waveform. -
correct answer ✅sweep speed
Which statement regarding bioeffects is incorrect? -
correct answer ✅The Schlieren method is used to minimize
patient exposure
____________________ refers to the process of steering the scan
lines in multiple views to evaluate tissues with several pulses with
varied incident angles -
correct answer ✅spatial compounding
, SPI Mock Exam C16 Questions And Answers
Which of the following transducers uses a beam former? -
correct answer ✅sector phased array
A ______ transducer will have the thinnest element?
a. 3
b. 5
c. 7
d. 12 -
correct answer ✅12
What technique is used to reduce lobe artifact? -
correct answer ✅subdicing
If you are performing an exam on an obese patient, you notice a 1.2
Thermal index. What should be done next? -
correct answer ✅Reduce the output power and increase the gain
compensation.
Which of the following describes the table placement for
performing an ultrasound? -
correct answer ✅Table height should allow the sonographer's arm
to be slightly abducted with the wrist fully extended.
What is the period for a 5MHz transducer? -
correct answer ✅0.2 microseconds
(5 MHz= 5,000,000 Hz
period= 1/frequency
period=1/5,000,000 Hz= 0.0000002 or 0.2 microseconds)
If two calcifications are located side by side in the liver with a 3 mm
distance between and the beam width is 6mm, how will the
structures appear on the image? -
correct answer ✅as a single elongated horizontal reflection.
___________ occurs posterior to highly attenuating structures -
correct answer ✅shadowing
How do you determine the lateral resolution for an unfocused,
single element transducer? -
correct answer ✅1/2 element diameter
As the Doppler angle increases to 90 degrees the calculated flow
velocity varies and approaches what value? -
correct answer ✅0 m/s
,SPI Mock Exam C16 Questions And Answers
If more cycles are added to a pulse, which of the following types of
resolution is degraded? -
correct answer ✅axial
Which of the following principles of sound describes the formation
of the hourglass shape of the beam? -
correct answer ✅Huygen's
Increasing the ___________ will aid in the ability to properly trace
the contour of the Doppler waveform. -
correct answer ✅sweep speed
Which statement regarding bioeffects is incorrect? -
correct answer ✅The Schlieren method is used to minimize
patient exposure
____________________ refers to the process of steering the scan
lines in multiple views to evaluate tissues with several pulses with
varied incident angles -
correct answer ✅spatial compounding
, SPI Mock Exam C16 Questions And Answers
Which of the following transducers uses a beam former? -
correct answer ✅sector phased array
A ______ transducer will have the thinnest element?
a. 3
b. 5
c. 7
d. 12 -
correct answer ✅12
What technique is used to reduce lobe artifact? -
correct answer ✅subdicing
If you are performing an exam on an obese patient, you notice a 1.2
Thermal index. What should be done next? -
correct answer ✅Reduce the output power and increase the gain
compensation.
Which of the following describes the table placement for
performing an ultrasound? -
correct answer ✅Table height should allow the sonographer's arm
to be slightly abducted with the wrist fully extended.
