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spi ardms test A and B Questions and
Answers Latest 2026
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 Ans:
C
to which acoustic variable is penetration depth inversely
related?
A.frequency
B.wavelength
C.period
D.propagation speed Ans: A
which imaging mode requires a broadband transducer?
A.continuous wave doppler
B.Pulsed wave doppler
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, 2 | Page
C.color flow imaging
D.harmonic imaging Ans: 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
C.sum of the transmitted and received ultrasound
frequencies
D.ratio of the transmitted ultrasound frequency to the
received ultrasound frequency Ans: B
what is the potential effect of increasing the pulse
repetition frequency(PRF)?
A.Depth ambiguity
B.Decreased frame rate
C.Poor spatial resolution
D.Decreased penetration Ans: D
what is an advantage of using pulsed wave doppler
compared to continuous wave doppler?
A.higher echo sensitivity
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, 3 | Page
B.ability to select sample depth
C.decreased display of aliasing
D.improved temporal resolution Ans: B
what affects the beam width in the near field?
A.Pulse repetition frequency
B.Pulse duration
C.Frame rate
D.Transducer aperture Ans: D
what is the advantage of using pulsed-wave doppler
versus continuous-wave doppler?
A.allows measurement of higher velocities
B.increases range ambiguity
C.reduces the potential for aliasing
D.provides depth specificity Ans: D
which parameter is target group C evaluating based on
the image?
A.dead zone
B.dynamic range
© 2025 All rights reserved
spi ardms test A and B Questions and
Answers Latest 2026
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 Ans:
C
to which acoustic variable is penetration depth inversely
related?
A.frequency
B.wavelength
C.period
D.propagation speed Ans: A
which imaging mode requires a broadband transducer?
A.continuous wave doppler
B.Pulsed wave doppler
© 2025 All rights reserved
, 2 | Page
C.color flow imaging
D.harmonic imaging Ans: 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
C.sum of the transmitted and received ultrasound
frequencies
D.ratio of the transmitted ultrasound frequency to the
received ultrasound frequency Ans: B
what is the potential effect of increasing the pulse
repetition frequency(PRF)?
A.Depth ambiguity
B.Decreased frame rate
C.Poor spatial resolution
D.Decreased penetration Ans: D
what is an advantage of using pulsed wave doppler
compared to continuous wave doppler?
A.higher echo sensitivity
© 2025 All rights reserved
, 3 | Page
B.ability to select sample depth
C.decreased display of aliasing
D.improved temporal resolution Ans: B
what affects the beam width in the near field?
A.Pulse repetition frequency
B.Pulse duration
C.Frame rate
D.Transducer aperture Ans: D
what is the advantage of using pulsed-wave doppler
versus continuous-wave doppler?
A.allows measurement of higher velocities
B.increases range ambiguity
C.reduces the potential for aliasing
D.provides depth specificity Ans: D
which parameter is target group C evaluating based on
the image?
A.dead zone
B.dynamic range
© 2025 All rights reserved
