SPI Practice (ARDMS A & B) Questions & Valid Correct
Answers
1. C 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 to which acoustic variable is penetration depth inversely
related? A.frequency
B.wavelength
C.period
D.propagation speed
3. B which imaging mode requires a broadband
transducer? A.continuous wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imaging
4. B what is the doppler shift frequency?
A. recieved ultrasound frequency multiplied by the transmitted
ultrasound frequency
B. ditterence between the transmitted ultrasound frequency
and the re- ceived ultrasound frequency
C. sum of the transmitted and received ultrasound
frequencies
D. ratio of the transmitted ultrasound frequency to the
received ultrasound frequency
5. A what is the potential ettect of increasing the pulse repetition
frequen- cy(PRF)?
A. Depth
ambiguity
B.Decreased frame
rate
,SPI Practice (ARDMS A & B) Questions & Valid Correct
Answers
C.Poor spatial resolution D.Decreased penetration
6. B what is an advantage of using pulsed wave doppler compared to
contin- uous wave doppler?
A. higher echo sensitivity
B. ability to select
sample depth C.decreased
display of aliasing
D.improved temporal
resolution
7. D what attects the beam width in the near field?
A. Pulse repetition frequency
B. Pulse duration
C. Frame
rate D.Transducer
aperture
8. D what is the advantage of using pulsed-wave doppler versus
continu- ous-wave doppler?
A. allows measurement of higher
velocities B.increases range
ambiguity
C. reduces the potential for aliasing
D. provides depth specificity
9. D which parameter is target group C evaluating based on the
image?
A. dead zone
B. dynamic range
C. axial resolution
, SPI Practice (ARDMS A & B) Questions & Valid Correct
Answers
D. Horizontal distance accuracy
Answers
1. C 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 to which acoustic variable is penetration depth inversely
related? A.frequency
B.wavelength
C.period
D.propagation speed
3. B which imaging mode requires a broadband
transducer? A.continuous wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imaging
4. B what is the doppler shift frequency?
A. recieved ultrasound frequency multiplied by the transmitted
ultrasound frequency
B. ditterence between the transmitted ultrasound frequency
and the re- ceived ultrasound frequency
C. sum of the transmitted and received ultrasound
frequencies
D. ratio of the transmitted ultrasound frequency to the
received ultrasound frequency
5. A what is the potential ettect of increasing the pulse repetition
frequen- cy(PRF)?
A. Depth
ambiguity
B.Decreased frame
rate
,SPI Practice (ARDMS A & B) Questions & Valid Correct
Answers
C.Poor spatial resolution D.Decreased penetration
6. B what is an advantage of using pulsed wave doppler compared to
contin- uous wave doppler?
A. higher echo sensitivity
B. ability to select
sample depth C.decreased
display of aliasing
D.improved temporal
resolution
7. D what attects the beam width in the near field?
A. Pulse repetition frequency
B. Pulse duration
C. Frame
rate D.Transducer
aperture
8. D what is the advantage of using pulsed-wave doppler versus
continu- ous-wave doppler?
A. allows measurement of higher
velocities B.increases range
ambiguity
C. reduces the potential for aliasing
D. provides depth specificity
9. D which parameter is target group C evaluating based on the
image?
A. dead zone
B. dynamic range
C. axial resolution
, SPI Practice (ARDMS A & B) Questions & Valid Correct
Answers
D. Horizontal distance accuracy
