ARDMS SPI Practice Exam B updated 2026
• What is increased if the pulse duration is decreased? -✓✓a) Bandwidth
b) Line Density
c) Frame Rate
d) Duty Factor
• What is the most appropriate action for the sonographer to take when receiving
a verbal order for an exam? -✓✓a) Deny performance of the exam until a written
request is received
b) Seek approval from supervisor
c) Verbally repeat the request back to the referrer to verify correctness
d) Document two forms of ID of the patient
• What is the round trip time in soft tissue for an echo from a reflector at a depth
of 1 cm -✓✓a) 1.54 usec
b) 6.5 usec
c)13 usec
d) 26 usec
• What adjustment should be made to avoid the aliasing displayed on this
spectral doppler image seen on spectral analysis? -✓✓a) Reposition sample
volume so it is deeper.
b) Decrease acoustic power
c) Change the doppler angle from 60 to 45 degrees
d) Decrease the transducer freq
• In an unfocused transducer, what is the region between the transducer face and
the point where the beam diverges? -✓✓a) Side lobe
b) Focal Zone
c) Near field
d) Far field
• What caused the color pattern demonstrated in the artery indicated by the
arrow in this image? -✓✓a) Superimposed venous flow
b) Aliasing
c) Flow reversal
, d) Color side lobe artifact
• What technique increases the sharpness of high contrast boundaries? -✓✓a)
Edge enhancement
b) Interpolation
c) Smoothing
d) Frame averaging
• Which setting of an ultrasound system gives the sonographer the ability to
display both strong and weak echoes? -✓✓a) Dynamic range
b) Resolution
c) Range calibration
d) Sensitivity
• Which condition must be present for refraction to occur? -✓✓a) Presence of a
strong specular reflector
b) Presence of several small reflectors
c) Difference in tissue prop speeds
d) A change in the angle of reflection
• In this image, most of the blood flow is in which direction? -✓✓a) Right to left
b) Left to right
c) Bidirectional
d) Indetermiate
• If red blood cells are approaching a 5 MHz doppler transducer at a sppeed of 75
cm/s, what is the appropriate received ultrasound frequency? -✓✓a) 4,500 kHz
b) 4,995 kHz
c) 5,005 kHz
d) 5,500 kHz
• What is the most common cause of localized vertical nonuniformity in a real-
time B-mode image? -✓✓a) Improper TGC
b) Defective transducer elements
c) Faulty preamplifier
d) Malfunctioning scan converter
• What is increased if the pulse duration is decreased? -✓✓a) Bandwidth
b) Line Density
c) Frame Rate
d) Duty Factor
• What is the most appropriate action for the sonographer to take when receiving
a verbal order for an exam? -✓✓a) Deny performance of the exam until a written
request is received
b) Seek approval from supervisor
c) Verbally repeat the request back to the referrer to verify correctness
d) Document two forms of ID of the patient
• What is the round trip time in soft tissue for an echo from a reflector at a depth
of 1 cm -✓✓a) 1.54 usec
b) 6.5 usec
c)13 usec
d) 26 usec
• What adjustment should be made to avoid the aliasing displayed on this
spectral doppler image seen on spectral analysis? -✓✓a) Reposition sample
volume so it is deeper.
b) Decrease acoustic power
c) Change the doppler angle from 60 to 45 degrees
d) Decrease the transducer freq
• In an unfocused transducer, what is the region between the transducer face and
the point where the beam diverges? -✓✓a) Side lobe
b) Focal Zone
c) Near field
d) Far field
• What caused the color pattern demonstrated in the artery indicated by the
arrow in this image? -✓✓a) Superimposed venous flow
b) Aliasing
c) Flow reversal
, d) Color side lobe artifact
• What technique increases the sharpness of high contrast boundaries? -✓✓a)
Edge enhancement
b) Interpolation
c) Smoothing
d) Frame averaging
• Which setting of an ultrasound system gives the sonographer the ability to
display both strong and weak echoes? -✓✓a) Dynamic range
b) Resolution
c) Range calibration
d) Sensitivity
• Which condition must be present for refraction to occur? -✓✓a) Presence of a
strong specular reflector
b) Presence of several small reflectors
c) Difference in tissue prop speeds
d) A change in the angle of reflection
• In this image, most of the blood flow is in which direction? -✓✓a) Right to left
b) Left to right
c) Bidirectional
d) Indetermiate
• If red blood cells are approaching a 5 MHz doppler transducer at a sppeed of 75
cm/s, what is the appropriate received ultrasound frequency? -✓✓a) 4,500 kHz
b) 4,995 kHz
c) 5,005 kHz
d) 5,500 kHz
• What is the most common cause of localized vertical nonuniformity in a real-
time B-mode image? -✓✓a) Improper TGC
b) Defective transducer elements
c) Faulty preamplifier
d) Malfunctioning scan converter
