ARDMS SPI LATEST EXAM B II 2026 COMPLETE
ANSWERS ACOUSTIC PRINCIPLES AND
INSTRUMENTATION PRACTICE RESOURCE
◉ low frequency, low amplitude.
Answer: which signals are eliminated by the wall filter in a spectral
Doppler display?
◉ two images demonstrating the same pathology from different
scan planes.
Answer: at minimum, what is required when documenting a
pathology discovered during an examination?
◉ Increased by 2 times.
Answer: If the diameter of the sound beam is halved by focusing,
what happens to the intensity
◉ A.
Answer: 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
◉ C.
Answer: What is this artifact?
A. Shadowing
B. Side lobe
C. Reverberation
D. Mirror image
◉ D.
Answer: How do you fix this
A. Decrease the color scale
B. Decrease the color packet size
C. Increase the color packet size
D. Increase the color scale
◉ B.
Answer: Which way is the blood flowing?
A. Right to left
B. Left to right
C. Bidirectional
,D. Cannot tell
◉ which imaging modality can provide the most accurate
measurement of tumor volume?
Color Doppler
B-mode
A-mode
M-mode.
Answer:
◉ Which statement is most accurate regarding surface rendering
three-dimensional ultrasound imaging?
Improve accuracy of volume measurement
Minimizes effect of attenuation artifacts
Spatial resolution improve when using high resolution mesh
Future - based reconstruction Store full three- volume acquired.
Answer:
◉ what is dynamic aperture?
A.aperture that varies with transmit frequency
B.aperture that decreases as a function of time
C.aperture that increases with increasing focal length
, D.aperture that changes as a function of frame rate.
Answer: C
◉ to which acoustic variable is penetration depth inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed.
Answer: A
◉ which imaging mode requires a broadband transducer?
A.continuous wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imaging.
Answer: B
◉ what is the doppler shift frequency?
A.recieved ultrasound frequency multiplied by the transmitted
ultrasound frequency
B.difference between the transmitted ultrasound frequency and the
received ultrasound frequency
ANSWERS ACOUSTIC PRINCIPLES AND
INSTRUMENTATION PRACTICE RESOURCE
◉ low frequency, low amplitude.
Answer: which signals are eliminated by the wall filter in a spectral
Doppler display?
◉ two images demonstrating the same pathology from different
scan planes.
Answer: at minimum, what is required when documenting a
pathology discovered during an examination?
◉ Increased by 2 times.
Answer: If the diameter of the sound beam is halved by focusing,
what happens to the intensity
◉ A.
Answer: 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
◉ C.
Answer: What is this artifact?
A. Shadowing
B. Side lobe
C. Reverberation
D. Mirror image
◉ D.
Answer: How do you fix this
A. Decrease the color scale
B. Decrease the color packet size
C. Increase the color packet size
D. Increase the color scale
◉ B.
Answer: Which way is the blood flowing?
A. Right to left
B. Left to right
C. Bidirectional
,D. Cannot tell
◉ which imaging modality can provide the most accurate
measurement of tumor volume?
Color Doppler
B-mode
A-mode
M-mode.
Answer:
◉ Which statement is most accurate regarding surface rendering
three-dimensional ultrasound imaging?
Improve accuracy of volume measurement
Minimizes effect of attenuation artifacts
Spatial resolution improve when using high resolution mesh
Future - based reconstruction Store full three- volume acquired.
Answer:
◉ what is dynamic aperture?
A.aperture that varies with transmit frequency
B.aperture that decreases as a function of time
C.aperture that increases with increasing focal length
, D.aperture that changes as a function of frame rate.
Answer: C
◉ to which acoustic variable is penetration depth inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed.
Answer: A
◉ which imaging mode requires a broadband transducer?
A.continuous wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imaging.
Answer: B
◉ what is the doppler shift frequency?
A.recieved ultrasound frequency multiplied by the transmitted
ultrasound frequency
B.difference between the transmitted ultrasound frequency and the
received ultrasound frequency
