SPI (ARDMS A & B ) PRACTICE QUESTIONS
WITH VERIFIED ANSWERS.
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
To which acoustic variable is penetration depth inversely related?
A. Frequency
B. Wavelength
C. Period
D. Propagation speed
Which imaging mode requires a broadband transducer?
A. Continuous wave doppler
B. Pulsed wave doppler
C. Color flow imaging
D. Harmonic imaging
What is the doppler shift frequency?
A. Received 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
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
, What is an advantage of using pulsed wave doppler compared to continuous
wave doppler?
A. Higher echo sensitivity
B. Ability to select sample depth
C. Decreased display of aliasing
D. Improved temporal resolution
What affects the beam width in the near field?
A. Pulse repetition frequency
B. Pulse duration
C. Frame rate
D. Transducer aperture
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
Which parameter is target group C evaluating based on the image?
A. Dead zone
B. Dynamic range
C. Axial resolution
D. Horizontal distance accuracy
In this image, which target group is used to evaluate dead zone?
A
Which ultrasound parameter directly affects an ultrasound beam's intensity?
WITH VERIFIED ANSWERS.
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
To which acoustic variable is penetration depth inversely related?
A. Frequency
B. Wavelength
C. Period
D. Propagation speed
Which imaging mode requires a broadband transducer?
A. Continuous wave doppler
B. Pulsed wave doppler
C. Color flow imaging
D. Harmonic imaging
What is the doppler shift frequency?
A. Received 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
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
, What is an advantage of using pulsed wave doppler compared to continuous
wave doppler?
A. Higher echo sensitivity
B. Ability to select sample depth
C. Decreased display of aliasing
D. Improved temporal resolution
What affects the beam width in the near field?
A. Pulse repetition frequency
B. Pulse duration
C. Frame rate
D. Transducer aperture
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
Which parameter is target group C evaluating based on the image?
A. Dead zone
B. Dynamic range
C. Axial resolution
D. Horizontal distance accuracy
In this image, which target group is used to evaluate dead zone?
A
Which ultrasound parameter directly affects an ultrasound beam's intensity?
