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ARDMS SPI PRACTICE TEST A QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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ARDMS SPI PRACTICE TEST A QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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Which parameter is mostlikely to affect spatial
resolution?A.dynamic
range
B.beam width
C.system sensitivity
D.depth of visualizationD.depth of visualization
When using a 5MHZ
transducer, in which tissue
is the ultrasound
wavelength shortest?
A.fat
B.blood
C.bone
D.muscleA.fat
What affects the beam
width in the near field?
A.Pulse repetition
frequency
B.Pulse duration
C.Frame rate
D.Transducer apertureD.Transducer aperture
Which variable caused the
color change from blue to
red of the vessel in this
image?
A.change in vessel
direction
B.color scale set to low
C.turbulent flow
D.severe stenosisA.change in vessel direction
Which imaging mode
requires a broadband
transducer?A.continuous
wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imagingB.Pulsed wave doppler
Which factor limits image
frame rate?
A.transducer operating
frequency
B.Sample volume size
C.Speed of sound in tissue
D.Spatial pulse lengthC.Speed of sound in tissue
Which imaging modality
can provide the most
accurate measurement of
tumor volume?B.B-mode
nursing A.color doppler
B.B-mode
C.A-mode
D.M-mode
Which change would
minimize the artifact
observed in this image,
assuming the pulse
repetition frequency is at
its maximum limit?A.adjust
the sweep speed
B.adjust the baseline
C.increasing dynamic
range
D.increasing the
transmitted frequencyB.adjust the baseline
How is lateral resolution
determined for a pulsed-
echo system using a
tissue-mimicking test
object?
A.by observing spaces
between reflectors
perpendicular to the beam
B.by observing spaces
between reflectors along
the beam path
C.by observing position of
deepest visible reflector
along the beam path
D.by observing position of
deepest visible reflector
perpendicular to the beam
pathA.by observing spaces between reflectors
perpendicular to the beam
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 rateC.aperture that increases with increasing focal length
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
specificityD.provides depth specificity
nursing
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