SPI prep 2025/2026
An growth wherein parameter will enhance the accuracy of velocity measurements with car
correlation?
A. Color discipline of view
b. Packet size
c. Wall filter placing
d. Transmitted freq
a. Coloration field of view
with harmonic imaging, how does echo frequency relate to transmitted frequency?
A. 1/2 the transmitted freq
b. Same to the transmitted freq
c. Two times the transmitted freq
d. 4 instances the transmitted freq
c. Two times the transmitted freq
which factor limits photograph frame price?
A.Transducer operating frequency
B.Sample quantity length
C.Speed of sound in tissue
D.Spatial pulse period
C. Speed of sound in tissue
Which time period describes the averaging collectively of test strains from a couple of angles to
create one picture?
A. Harmonic imaging
b. Actual-time 3D imaging
c. Elastography
d.Spatial compounding
d. Spatial compounding
which variable can reason an acoustic shadow artifact?
,A. Small acoustic impedance mismatch
b. Refraction
c. Perpendicular prevalence
d. Low attenuation
a. Small acoustic impedance mismatch
The middle freq of a transducer depends typically upon which characteristic of the crystals
a. Width
b. Duration
c. Spacing
d. Thickness
d. Thickness
when the use of a 5 MHz transducer, wherein tissue is the ultrasound wavelength the shortest?
A. Fats
b. Blood
c. Bone
d. Muscle
a. Fats
what does coded excitation enhance similarly to penetration?
A. Lateral decision
b. Sign to noise ration
c. Frame fee
d. Dynamic range
b. Signal to noise ratio
what is the gain of using pulsed wave doppler as compared to non-stop wave doppler?
A. Better echo sensitivity
b. Potential to select pattern intensity
c. Reduced show of aliasing
d. Advanced temporal resolution
b. Capability to pick pattern depth
,what is the doppler shift freq?
A. Acquired ultrasound freq X transmitted freq
b. Difference between transmitted freq and received freq
c. Sum of the transmitted freq and obtained freq
d. Ration of the transmitted freq to the obtained freq
b. Distinction between transmitted freq and acquired freq
what's the gain of the use of pulsed wave doppler as opposed to continuous wave doppler
a. Permit measurement of higher velocities
b. Increases variety ambiguity
c. Reduces the ability for aliasing
d. Offers intensity specificity
d. Provides depth specificity
which aspect is maximum probable to have an effect on spatial decision?
A. Dynamic range
b. Beam width
c. Device sensitivity
d. Depth of visualization
d. Intensity of visualization
which imaging modality can provide the maximum accurate dimension of tumor extent?
A. Color doppler
b. B mode
c. A mode
d. M mode
b. B mode
which parameter without delay influences an ultrasound beams intensity?
, A. TGC
b. Operating freq
c. Output electricity
d. Frame fee
c. Output electricity
which Doppler attitude to flow consequences inside the best absolute doppler shift
a. Zero
b. 15
c.45
d. 60
A. 0 levels
which statement is most accurate concerning floor rendering 3-D imaging?
A. Improves accuracy of volume dimension
b. Minimizes impact of attenuation artifacts
c. Spatial resolution improves when the use of excessive resolution mesh
d. Function primarily based reconstruction save full 3-D extent acquired
b. Minimizes impact of attenuation artifacts
To which acoustic variable is penetration depth inversely related?
A. Freq
b. Wavelength
c. Period
d. Propagation pace
a. Freq
which term describes blood go with the flow modifications in reaction to respiration?
A. Phasic
b. Parabolic
c. Spontaneous
d. Pulsatile
a. Phasic
An growth wherein parameter will enhance the accuracy of velocity measurements with car
correlation?
A. Color discipline of view
b. Packet size
c. Wall filter placing
d. Transmitted freq
a. Coloration field of view
with harmonic imaging, how does echo frequency relate to transmitted frequency?
A. 1/2 the transmitted freq
b. Same to the transmitted freq
c. Two times the transmitted freq
d. 4 instances the transmitted freq
c. Two times the transmitted freq
which factor limits photograph frame price?
A.Transducer operating frequency
B.Sample quantity length
C.Speed of sound in tissue
D.Spatial pulse period
C. Speed of sound in tissue
Which time period describes the averaging collectively of test strains from a couple of angles to
create one picture?
A. Harmonic imaging
b. Actual-time 3D imaging
c. Elastography
d.Spatial compounding
d. Spatial compounding
which variable can reason an acoustic shadow artifact?
,A. Small acoustic impedance mismatch
b. Refraction
c. Perpendicular prevalence
d. Low attenuation
a. Small acoustic impedance mismatch
The middle freq of a transducer depends typically upon which characteristic of the crystals
a. Width
b. Duration
c. Spacing
d. Thickness
d. Thickness
when the use of a 5 MHz transducer, wherein tissue is the ultrasound wavelength the shortest?
A. Fats
b. Blood
c. Bone
d. Muscle
a. Fats
what does coded excitation enhance similarly to penetration?
A. Lateral decision
b. Sign to noise ration
c. Frame fee
d. Dynamic range
b. Signal to noise ratio
what is the gain of using pulsed wave doppler as compared to non-stop wave doppler?
A. Better echo sensitivity
b. Potential to select pattern intensity
c. Reduced show of aliasing
d. Advanced temporal resolution
b. Capability to pick pattern depth
,what is the doppler shift freq?
A. Acquired ultrasound freq X transmitted freq
b. Difference between transmitted freq and received freq
c. Sum of the transmitted freq and obtained freq
d. Ration of the transmitted freq to the obtained freq
b. Distinction between transmitted freq and acquired freq
what's the gain of the use of pulsed wave doppler as opposed to continuous wave doppler
a. Permit measurement of higher velocities
b. Increases variety ambiguity
c. Reduces the ability for aliasing
d. Offers intensity specificity
d. Provides depth specificity
which aspect is maximum probable to have an effect on spatial decision?
A. Dynamic range
b. Beam width
c. Device sensitivity
d. Depth of visualization
d. Intensity of visualization
which imaging modality can provide the maximum accurate dimension of tumor extent?
A. Color doppler
b. B mode
c. A mode
d. M mode
b. B mode
which parameter without delay influences an ultrasound beams intensity?
, A. TGC
b. Operating freq
c. Output electricity
d. Frame fee
c. Output electricity
which Doppler attitude to flow consequences inside the best absolute doppler shift
a. Zero
b. 15
c.45
d. 60
A. 0 levels
which statement is most accurate concerning floor rendering 3-D imaging?
A. Improves accuracy of volume dimension
b. Minimizes impact of attenuation artifacts
c. Spatial resolution improves when the use of excessive resolution mesh
d. Function primarily based reconstruction save full 3-D extent acquired
b. Minimizes impact of attenuation artifacts
To which acoustic variable is penetration depth inversely related?
A. Freq
b. Wavelength
c. Period
d. Propagation pace
a. Freq
which term describes blood go with the flow modifications in reaction to respiration?
A. Phasic
b. Parabolic
c. Spontaneous
d. Pulsatile
a. Phasic
