SPI Mock Exam Questions With Accurate
Answers 2025\2026 A+ Grade
the amount of compensation necessary for different echoes varies with
reflector:
- accurate answers-depth
if a sound beam moves from air into soft tissue at an incident angle of 60
degrees, how will the angle of the transmitted wave change?
- accurate answers-increase
As beam width increases, how is intensity affected?
- accurate answers-decreases
An 8 bit memory would display how many shades of gray?
A. 8
B. 16
C. 128
D. 256
- accurate answers-256
__ is defined as the ratio of two sound intensities
- accurate answers-decibel
which of the following transducers will produce the highest frequency sound
waves?
- accurate answers-2mm element thickness, 6mm/ms propagation speed of
the element
the vacuum tube monitor receives its electrical signal from which component
of the US system?
- accurate answers-digital to analog converter
which of the following parameters is displayed as the x-axis on a Doppler
tracing?
- accurate answers-time
, If you use a tissue phantom that contains a substance with an average
propagation speed of 1600cm/s to evaluate a standard ultrasound system,
how will this affect the depth calibration testing?
- accurate answers-reflectors will appear more shallow than they actually are
located within the phantom
Volume averaging artifact, lobe artifact, and slice thickness artifact all cause:
- accurate answers-false echoes filling an anechoic structure
tissue doppler imaging uses __ settings than PW Doppler
- accurate answers-lower frequencies
which of the following correctly describes apodization?
- accurate answers-it is performed by maximizing the voltage of the central
elements and reducing the voltage to the outer elements
which of the following is necessary for a multihertz transducer?
- accurate answers-broad bandwidth
the rectus abdominis muscles are associated with ___, while the diaphragm is
associated with __,
- accurate answers-refraction artifact, mirror image artifact
the average speed of sound in soft tissue is:
- accurate answers-1540 m/s
which of the following describes a vector array transducer?
- accurate answers-has a sector shaped field of view with a flat top
the doppler shift is 5000Hz. the PRF is 9000Hz. which one of the following is
true?
- accurate answers-aliasing will occur
the imaging depth is increased and temporal resolution is degraded. which
one of the following console adjustments can improve the temporal
resolution?
- accurate answers-reduce the sector size
Answers 2025\2026 A+ Grade
the amount of compensation necessary for different echoes varies with
reflector:
- accurate answers-depth
if a sound beam moves from air into soft tissue at an incident angle of 60
degrees, how will the angle of the transmitted wave change?
- accurate answers-increase
As beam width increases, how is intensity affected?
- accurate answers-decreases
An 8 bit memory would display how many shades of gray?
A. 8
B. 16
C. 128
D. 256
- accurate answers-256
__ is defined as the ratio of two sound intensities
- accurate answers-decibel
which of the following transducers will produce the highest frequency sound
waves?
- accurate answers-2mm element thickness, 6mm/ms propagation speed of
the element
the vacuum tube monitor receives its electrical signal from which component
of the US system?
- accurate answers-digital to analog converter
which of the following parameters is displayed as the x-axis on a Doppler
tracing?
- accurate answers-time
, If you use a tissue phantom that contains a substance with an average
propagation speed of 1600cm/s to evaluate a standard ultrasound system,
how will this affect the depth calibration testing?
- accurate answers-reflectors will appear more shallow than they actually are
located within the phantom
Volume averaging artifact, lobe artifact, and slice thickness artifact all cause:
- accurate answers-false echoes filling an anechoic structure
tissue doppler imaging uses __ settings than PW Doppler
- accurate answers-lower frequencies
which of the following correctly describes apodization?
- accurate answers-it is performed by maximizing the voltage of the central
elements and reducing the voltage to the outer elements
which of the following is necessary for a multihertz transducer?
- accurate answers-broad bandwidth
the rectus abdominis muscles are associated with ___, while the diaphragm is
associated with __,
- accurate answers-refraction artifact, mirror image artifact
the average speed of sound in soft tissue is:
- accurate answers-1540 m/s
which of the following describes a vector array transducer?
- accurate answers-has a sector shaped field of view with a flat top
the doppler shift is 5000Hz. the PRF is 9000Hz. which one of the following is
true?
- accurate answers-aliasing will occur
the imaging depth is increased and temporal resolution is degraded. which
one of the following console adjustments can improve the temporal
resolution?
- accurate answers-reduce the sector size
