SPI Practice (ARDMS A & B)
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1. C<ans) 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
2. A<ans) to which acoustic variable is penetration depth
inversely related? A.frequency
B.wavelength
C.period
D.propagation
speed
3. B<ans) which imaging mode requires a broadband
transducer? A.continuous wave doppler
B.Pulsed wave doppler
C. color flow imaging
D. harmonic imaging
4. B<ans) what is the doppler shift frequency?
A.recieved ultrasound frequency multiplied by the transmitted
ultrasound frequen- cy
B. difference between the transmitted ultrasound frequency and the
received ultra- sound frequency
C. sum of the transmitted and received ultrasound frequencies
D. ratio of the transmitted ultrasound frequency to the received
ultrasound frequen- cy
5. A<ans) 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
,6. B<ans) 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
7. D<ans) what affects the beam width in the
near field? A.Pulse repetition frequency
B.Pulse duration
, C.Frame rate
D.Transducer
aperture
8. D<ans) 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
9. D<ans) which parameter is target group C evaluating mage
based on the i A.dead zone
B.dynamic range
C. axial resolution
D. Horizontal distance accuracy
one dead z
10.A<ans) In this image, which target group is used to evaluate
11.C<ans) which ultrasound parameter directly affects an ultrasound
beam's intensity? A.TGC
B.operating
frequency
C.Output power
D.Frame rate
12.D<ans) the center frequency of a transducer depends primarily
upon which charac- teristics of the crystal?
A.width
B.length
C.spacing
D.thickne
ss
13.C<ans) which factor limits image
frame rate? A.transducer operating
frequency B.Sample volume size
C.Speed of sound in tissue
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1. C<ans) 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
2. A<ans) to which acoustic variable is penetration depth
inversely related? A.frequency
B.wavelength
C.period
D.propagation
speed
3. B<ans) which imaging mode requires a broadband
transducer? A.continuous wave doppler
B.Pulsed wave doppler
C. color flow imaging
D. harmonic imaging
4. B<ans) what is the doppler shift frequency?
A.recieved ultrasound frequency multiplied by the transmitted
ultrasound frequen- cy
B. difference between the transmitted ultrasound frequency and the
received ultra- sound frequency
C. sum of the transmitted and received ultrasound frequencies
D. ratio of the transmitted ultrasound frequency to the received
ultrasound frequen- cy
5. A<ans) 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
,6. B<ans) 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
7. D<ans) what affects the beam width in the
near field? A.Pulse repetition frequency
B.Pulse duration
, C.Frame rate
D.Transducer
aperture
8. D<ans) 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
9. D<ans) which parameter is target group C evaluating mage
based on the i A.dead zone
B.dynamic range
C. axial resolution
D. Horizontal distance accuracy
one dead z
10.A<ans) In this image, which target group is used to evaluate
11.C<ans) which ultrasound parameter directly affects an ultrasound
beam's intensity? A.TGC
B.operating
frequency
C.Output power
D.Frame rate
12.D<ans) the center frequency of a transducer depends primarily
upon which charac- teristics of the crystal?
A.width
B.length
C.spacing
D.thickne
ss
13.C<ans) which factor limits image
frame rate? A.transducer operating
frequency B.Sample volume size
C.Speed of sound in tissue
