SPI Practice (ARDMS A & B)
C Correct 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
A Correct Answer: to which acoustic variable is penetration depth
inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed
B Correct Answer: which imaging mode requires a broadband
transducer?
A.continuous wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imaging
B Correct Answer: 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
A Correct Answer: 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
B Correct Answer: 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
D Correct Answer: what affects the beam width in the near field?
A.Pulse repetition frequency
B.Pulse duration
C.Frame rate
D.Transducer aperture
D Correct Answer: 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
D Correct Answer: which parameter is target group C evaluating based
on the image?
A.dead zone
B.dynamic range
C.axial resolution
D.Horizontal distance accuracy
A Correct Answer: In this image, which target group is used to evaluate
dead zone?
, C Correct Answer: which ultrasound parameter directly affects an
ultrasound beam's intensity?
A.TGC
B.operating frequency
C.Output power
D.Frame rate
D Correct Answer: the center frequency of a transducer depends
primarily upon which characteristics of the crystal?
A.width
B.length
C.spacing
D.thickness
C Correct Answer: which factor limits image frame rate?
A.transducer operating frequency
B.Sample volume size
C.Speed of sound in tissue
D.Spatial pulse length
A Correct Answer: when using a 5MHZ transducer, in which tissue is
the ultrasound wavelength shortest?
A.fat
B.blood
C.bone
D.muscle
D Correct Answer: which term describes the averaging together of scan
lines from multiple angles to create one image?
A.harmonic imaging
B.realtime three dimensional imaging
C.elastography
D.spatial compounding
C Correct 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
A Correct Answer: to which acoustic variable is penetration depth
inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed
B Correct Answer: which imaging mode requires a broadband
transducer?
A.continuous wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imaging
B Correct Answer: 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
A Correct Answer: 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
B Correct Answer: 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
D Correct Answer: what affects the beam width in the near field?
A.Pulse repetition frequency
B.Pulse duration
C.Frame rate
D.Transducer aperture
D Correct Answer: 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
D Correct Answer: which parameter is target group C evaluating based
on the image?
A.dead zone
B.dynamic range
C.axial resolution
D.Horizontal distance accuracy
A Correct Answer: In this image, which target group is used to evaluate
dead zone?
, C Correct Answer: which ultrasound parameter directly affects an
ultrasound beam's intensity?
A.TGC
B.operating frequency
C.Output power
D.Frame rate
D Correct Answer: the center frequency of a transducer depends
primarily upon which characteristics of the crystal?
A.width
B.length
C.spacing
D.thickness
C Correct Answer: which factor limits image frame rate?
A.transducer operating frequency
B.Sample volume size
C.Speed of sound in tissue
D.Spatial pulse length
A Correct Answer: when using a 5MHZ transducer, in which tissue is
the ultrasound wavelength shortest?
A.fat
B.blood
C.bone
D.muscle
D Correct Answer: which term describes the averaging together of scan
lines from multiple angles to create one image?
A.harmonic imaging
B.realtime three dimensional imaging
C.elastography
D.spatial compounding
