ARDMS SPI Practice Test A
According to ALARA (as low as fairly conceivable) hints, which parameter ought to be
minimized?
A.Transmit electricity
B.Frequency
C.Time advantage reimbursement
D.Ordinary benefit - ANS-A.Transmit energy
An growth in which parameter awill improve the accuracy of pace measurements with
autocorrelation?
A.Shade area of view
B.Packet length
C.Wall filtering
D.Transmitted frequency - ANS-B.Packet length
How is lateral resolution decided for a pulsed-echo machine the use of a tissue-mimicking check
object?
A.By using gazing spaces between reflectors perpendicular to the beam
B.By using observing areas among reflectors alongside the beam path
C.Via watching role of private seen reflector alongside the beam course
D.Through staring at position of private visible reflector perpendicular to the beam course -
ANS-A.Via gazing spaces among reflectors perpendicular to the beam
The middle frequency of a transducer depends by and large upon which characteristics of the
crystal?
A.Width
B.Duration
C.Spacing
D.Thickness - ANS-D.Thickness
To which acoustic variable is penetration intensity inversely related?A.Frequency
B.Wavelength
C.Length
D.Propagation velocity - ANS-A.Frequency
What impacts the beam width within the near subject?
A.Pulse repetition frequency
B.Pulse duration
C.Frame price
D.Transducer aperture - ANS-D.Transducer aperture
, What does coded excitation improve similarly to penetration?
A.Lateral resolution
B.Signal-to-noise ratio
C.Body fee
D.Dynamic variety - ANS-B.Signal-to-noise ratio
What is a bonus of the use of pulsed wave doppler in comparison to non-stop wave doppler?
A.Better echo sensitivity
B.Potential to choose sample intensity
C.Decreased show of aliasing
D.Advanced temporal decision - ANS-B.Ability to pick out pattern depth
What is confirmed on this photograph produced by means of a linear array transducer located
on a uniform tissue-mimicking phantom?
A. Time gain repayment not set well.
B. System has low dynamic variety.
C. Transducer crystals are damaged.
D. Focus manipulate is malfunctioning. - ANS-C. Transducer crystals are broken.
What is dynamic aperture?
A.Aperture that varies with transmit frequency
B.Aperture that decreases as a characteristic of time
C.Aperture that will increase with growing focal period
D.Aperture that changes as a function of frame rate - ANS-C.Aperture that will increase with
growing focal duration
What is the advantage of the usage of pulsed-wave doppler versus continuous-wave doppler?
A.Lets in size of better velocities
B.Will increase variety ambiguity
C.Reduces the capability for aliasing
D.Presents intensity specificity - ANS-D.Affords intensity specificity
What is the doppler shift frequency?
A. Recieved ultrasound frequency elevated by using the transmitted ultrasound frequency
B.Difference among the transmitted ultrasound frequency and the acquired ultrasound
frequency
C.Sum of the transmitted and received ultrasound frequencies
D.Ratio of the transmitted ultrasound frequency to the obtained ultrasound frequency -
ANS-B.Difference between the transmitted ultrasound frequency and the obtained ultrasound
frequency
What is the potential impact of increasing the heart beat repetition frequency(PRF)?
A.Depth ambiguity
According to ALARA (as low as fairly conceivable) hints, which parameter ought to be
minimized?
A.Transmit electricity
B.Frequency
C.Time advantage reimbursement
D.Ordinary benefit - ANS-A.Transmit energy
An growth in which parameter awill improve the accuracy of pace measurements with
autocorrelation?
A.Shade area of view
B.Packet length
C.Wall filtering
D.Transmitted frequency - ANS-B.Packet length
How is lateral resolution decided for a pulsed-echo machine the use of a tissue-mimicking check
object?
A.By using gazing spaces between reflectors perpendicular to the beam
B.By using observing areas among reflectors alongside the beam path
C.Via watching role of private seen reflector alongside the beam course
D.Through staring at position of private visible reflector perpendicular to the beam course -
ANS-A.Via gazing spaces among reflectors perpendicular to the beam
The middle frequency of a transducer depends by and large upon which characteristics of the
crystal?
A.Width
B.Duration
C.Spacing
D.Thickness - ANS-D.Thickness
To which acoustic variable is penetration intensity inversely related?A.Frequency
B.Wavelength
C.Length
D.Propagation velocity - ANS-A.Frequency
What impacts the beam width within the near subject?
A.Pulse repetition frequency
B.Pulse duration
C.Frame price
D.Transducer aperture - ANS-D.Transducer aperture
, What does coded excitation improve similarly to penetration?
A.Lateral resolution
B.Signal-to-noise ratio
C.Body fee
D.Dynamic variety - ANS-B.Signal-to-noise ratio
What is a bonus of the use of pulsed wave doppler in comparison to non-stop wave doppler?
A.Better echo sensitivity
B.Potential to choose sample intensity
C.Decreased show of aliasing
D.Advanced temporal decision - ANS-B.Ability to pick out pattern depth
What is confirmed on this photograph produced by means of a linear array transducer located
on a uniform tissue-mimicking phantom?
A. Time gain repayment not set well.
B. System has low dynamic variety.
C. Transducer crystals are damaged.
D. Focus manipulate is malfunctioning. - ANS-C. Transducer crystals are broken.
What is dynamic aperture?
A.Aperture that varies with transmit frequency
B.Aperture that decreases as a characteristic of time
C.Aperture that will increase with growing focal period
D.Aperture that changes as a function of frame rate - ANS-C.Aperture that will increase with
growing focal duration
What is the advantage of the usage of pulsed-wave doppler versus continuous-wave doppler?
A.Lets in size of better velocities
B.Will increase variety ambiguity
C.Reduces the capability for aliasing
D.Presents intensity specificity - ANS-D.Affords intensity specificity
What is the doppler shift frequency?
A. Recieved ultrasound frequency elevated by using the transmitted ultrasound frequency
B.Difference among the transmitted ultrasound frequency and the acquired ultrasound
frequency
C.Sum of the transmitted and received ultrasound frequencies
D.Ratio of the transmitted ultrasound frequency to the obtained ultrasound frequency -
ANS-B.Difference between the transmitted ultrasound frequency and the obtained ultrasound
frequency
What is the potential impact of increasing the heart beat repetition frequency(PRF)?
A.Depth ambiguity
