spi ardms test A and B
A valid wave propagates fastest via which substance? - ANS-Bone
A.Modify the sweep velocity
B.Regulate the baseline
C.Increasing dynamic variety
D.Increasing the transmitted frequency - ANS-B
in line with ALARA (as little as fairly manageable) guidelines, which parameter have to be
minimized?
A.Transmit electricity
B.Frequency
C.Time benefit reimbursement
D.Average benefit - ANS-A
Acoustic enhancement takes place distal to what?
A. Calcifications
B. Near subject interface
C. Surprisingly reflecting shape
D. Weakly attenuating structure - ANS-D
an increase wherein parameter will enhance the accuracy of pace measurements with
autocorrelation?
A.Shade discipline of view
B.Packet length
C.Wall filtering
D.Transmitted frequency - ANS-B
an increase wherein parameter will improve the accuracy of pace measurements with
autocorrelation? - ANS-color area of view
As the strain amplitude of ultrasound doubles, what takes place to the wavelength?
A. Quadruples
B. Doubles
C. Halves
D. Unchanged - ANS-D
at minimal, what's required whilst documenting a pathology located in the course of an exam? -
ANS-two pics demonstrating the equal pathology from distinctive test planes
, frequency compounding improves photograph first-class through doing what? - ANS-reduces
speckle
how is lateral decision determined for a pulsed-echo system using a tissue-mimicking test
object?
A.By means of watching spaces among reflectors perpendicular to the beam
B.With the aid of gazing spaces among reflectors along the beam course
C.By gazing role of private seen reflector alongside the beam course
D.With the aid of observing role of deepest seen reflector perpendicular to the beam route -
ANS-A
If purple blood cells are coming near a 5 Mhz Doppler transducer at a velocity of seventy five
cm/s, what's the approximate acquired ultrasound frequency? - ANS-? Possibly five,0.5 kHz
If the diameter of the sound beam is halved by way of focusing, what takes place to the depth -
ANS-Increased through 2 instances
If the ultrasound machine comes in touch with a sufferers body fluids, what must be finished?
A. Eliminate the system from use for the day
B. Use an authorised disinfectant solution to clean it
C. Call the producer to look what they might do
D. Disinfectant to clean it - ANS-D
In an unfocused transducer, what's the region between the transducer face and the point where
the beam diverges? - ANS-Far area
the middle frequency of a transducer relies upon mostly upon which characteristics of the
crystal?
A.Width
B.Period
C.Spacing
D.Thickness - ANS-D
the thermal index (TI) is maximum tormented by which type of interaction among sound and
tissue? - ANS-Absorption
to which acoustic variable is penetration depth inversely associated?
A.Frequency
B.Wavelength
C.Duration
D.Propagation pace - ANS-A
what impacts the beam width inside the near field?
A.Pulse repetition frequency
A valid wave propagates fastest via which substance? - ANS-Bone
A.Modify the sweep velocity
B.Regulate the baseline
C.Increasing dynamic variety
D.Increasing the transmitted frequency - ANS-B
in line with ALARA (as little as fairly manageable) guidelines, which parameter have to be
minimized?
A.Transmit electricity
B.Frequency
C.Time benefit reimbursement
D.Average benefit - ANS-A
Acoustic enhancement takes place distal to what?
A. Calcifications
B. Near subject interface
C. Surprisingly reflecting shape
D. Weakly attenuating structure - ANS-D
an increase wherein parameter will enhance the accuracy of pace measurements with
autocorrelation?
A.Shade discipline of view
B.Packet length
C.Wall filtering
D.Transmitted frequency - ANS-B
an increase wherein parameter will improve the accuracy of pace measurements with
autocorrelation? - ANS-color area of view
As the strain amplitude of ultrasound doubles, what takes place to the wavelength?
A. Quadruples
B. Doubles
C. Halves
D. Unchanged - ANS-D
at minimal, what's required whilst documenting a pathology located in the course of an exam? -
ANS-two pics demonstrating the equal pathology from distinctive test planes
, frequency compounding improves photograph first-class through doing what? - ANS-reduces
speckle
how is lateral decision determined for a pulsed-echo system using a tissue-mimicking test
object?
A.By means of watching spaces among reflectors perpendicular to the beam
B.With the aid of gazing spaces among reflectors along the beam course
C.By gazing role of private seen reflector alongside the beam course
D.With the aid of observing role of deepest seen reflector perpendicular to the beam route -
ANS-A
If purple blood cells are coming near a 5 Mhz Doppler transducer at a velocity of seventy five
cm/s, what's the approximate acquired ultrasound frequency? - ANS-? Possibly five,0.5 kHz
If the diameter of the sound beam is halved by way of focusing, what takes place to the depth -
ANS-Increased through 2 instances
If the ultrasound machine comes in touch with a sufferers body fluids, what must be finished?
A. Eliminate the system from use for the day
B. Use an authorised disinfectant solution to clean it
C. Call the producer to look what they might do
D. Disinfectant to clean it - ANS-D
In an unfocused transducer, what's the region between the transducer face and the point where
the beam diverges? - ANS-Far area
the middle frequency of a transducer relies upon mostly upon which characteristics of the
crystal?
A.Width
B.Period
C.Spacing
D.Thickness - ANS-D
the thermal index (TI) is maximum tormented by which type of interaction among sound and
tissue? - ANS-Absorption
to which acoustic variable is penetration depth inversely associated?
A.Frequency
B.Wavelength
C.Duration
D.Propagation pace - ANS-A
what impacts the beam width inside the near field?
A.Pulse repetition frequency
