SPI Board Practice Exam Questions with Verified
Answers |2026/2027 Update | A+ Graded
Which type of resolution is an accurate representation of moving structures?
a. Lateral resolution
b. azimuthal resolution
c. spatial resolution
d. temporal resolution - Answer -d ?
Which of the following is the type of transducer that utilizies elements arranged in a concentric
pattern?
a. phased array
b. annular array
c. Mechanical
d. linear - Answer -b ?
which of the following would be considered an advantage of a curved linear array over a phased
array transducer?
a. wider near field
b. linear scan lines
c. narrower near field
d. narrower far field - Answer -a ?
1|Page
,Which of the following is not a true statement about a mechanical transducer?
a. it uses a motor to steer the beam
b. linear scan lines
c. narrower near field
d. narrower far field - Answer -d ?
Along with crystal diameter, the divergence in the far field is also determined by which of the
following?
a. SPL
b. Frequency
c. Propagation Speed
d. Line density - Answer -b ?
Which of the following would cause a decrease in temporal resolution?
a. increased line density
b. decreased sector size
c. single transmit zone
d. decreased line density - Answer -a
Which of the following would cause an increase in frame rate?
a. Multifocusing
b. increased line density
c. increased imaging depth
2|Page
,d. decreased imaging depth - Answer -d
Which of the following is true of the diameter of the sound beam in the fresnal zone?
a. it increase
b. it decreases
c. it does not change
d. it is unpredictable - Answer -b ?
Which resolution is best in clinical imaging?
a. Axial
b. Lateral
c. temporal
d. slice thickness - Answer -a ?
Which of the following will increase the near zone length?
a. large crystal diameter, low frequency
b. small crystal diameter, low frequency
c. large crystal diameter, high frequency
d. small crystal diameter, high frequency - Answer -c ?
Which of the following will decrease beam divergence in the far field?
a. large crystal diameter, low frequency
3|Page
, b. small crystal diameter, low frequency
c. large crystal diameter, high frequency
d. small crystal diameter, high frequency - Answer -c ?
Imaging transducers have:
a. low quality factors and wide bandwidths
b. high quality factors, narrow bandwidths
c. low quality factors, narrow bandwidths
d. high quality factors, wide bandwidths - Answer -a
Damping material produces all of the following except:
a. decreased sensitivity
b. increased SPL
c. Wide bandwidth
d. Low quality factors - Answer -b
Which of the following electrical patterns produces electronic focusing of the ultrasound beam?
a. curve
b. slope
c. width
d. lengrh - Answer -a
4|Page
Answers |2026/2027 Update | A+ Graded
Which type of resolution is an accurate representation of moving structures?
a. Lateral resolution
b. azimuthal resolution
c. spatial resolution
d. temporal resolution - Answer -d ?
Which of the following is the type of transducer that utilizies elements arranged in a concentric
pattern?
a. phased array
b. annular array
c. Mechanical
d. linear - Answer -b ?
which of the following would be considered an advantage of a curved linear array over a phased
array transducer?
a. wider near field
b. linear scan lines
c. narrower near field
d. narrower far field - Answer -a ?
1|Page
,Which of the following is not a true statement about a mechanical transducer?
a. it uses a motor to steer the beam
b. linear scan lines
c. narrower near field
d. narrower far field - Answer -d ?
Along with crystal diameter, the divergence in the far field is also determined by which of the
following?
a. SPL
b. Frequency
c. Propagation Speed
d. Line density - Answer -b ?
Which of the following would cause a decrease in temporal resolution?
a. increased line density
b. decreased sector size
c. single transmit zone
d. decreased line density - Answer -a
Which of the following would cause an increase in frame rate?
a. Multifocusing
b. increased line density
c. increased imaging depth
2|Page
,d. decreased imaging depth - Answer -d
Which of the following is true of the diameter of the sound beam in the fresnal zone?
a. it increase
b. it decreases
c. it does not change
d. it is unpredictable - Answer -b ?
Which resolution is best in clinical imaging?
a. Axial
b. Lateral
c. temporal
d. slice thickness - Answer -a ?
Which of the following will increase the near zone length?
a. large crystal diameter, low frequency
b. small crystal diameter, low frequency
c. large crystal diameter, high frequency
d. small crystal diameter, high frequency - Answer -c ?
Which of the following will decrease beam divergence in the far field?
a. large crystal diameter, low frequency
3|Page
, b. small crystal diameter, low frequency
c. large crystal diameter, high frequency
d. small crystal diameter, high frequency - Answer -c ?
Imaging transducers have:
a. low quality factors and wide bandwidths
b. high quality factors, narrow bandwidths
c. low quality factors, narrow bandwidths
d. high quality factors, wide bandwidths - Answer -a
Damping material produces all of the following except:
a. decreased sensitivity
b. increased SPL
c. Wide bandwidth
d. Low quality factors - Answer -b
Which of the following electrical patterns produces electronic focusing of the ultrasound beam?
a. curve
b. slope
c. width
d. lengrh - Answer -a
4|Page
