Part 1 - Physic's quiz focuses on ultrasound physics, exploring echo times, ultrasound wave properties, and factors affecting vascular flow. It assesses understanding of technical aspects crucial for medical applications, enhancing learner's proficiency in medical imaging techniques.
Expansion, rejection, threshold, compression
Amplification, compression, conversion, demodulation, repression
Inspection, detection, correction, rejection, depression
Amplification, compensation, compression, demodulation, rejection
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Equal to 10%
Less than 1%
Between 10 and 15%
Greater than 50%
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SPTP
SEPTA
SATA
SPAT
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Reverberation
Speckle
Shadowing
Mirror image
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B mode
B scan
M mode
A mode
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2.0 Ms
2.0 ns
0.2 us
.002s
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Sensitivity level
Threshold or rejection level
Impedance level
Dynamic range
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0.17 mm
0.34 mm
0.51 mm
0.68 mm
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More than 15
Less than 10
14
13
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The refraction of the beam at tissue interfaces
Angling the beam by sequentially firing the elements
Interference effect of the returning sound waves
The refraction of the beam at tissue interfaces & interference effect of the returning sound waves
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Compensation and rejection
Amplification and compensation
Demodulation and compression
Rejection and amplification
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Converting the voltage delivered to the receiver from one form to another
Decreasing the differences between the smallest and largest amplitude
Eliminating the smaller amplitude echoes (noise)
Rejecting weak echoes from side lobes
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Average frequency
Bandwidth
Operating frequency
All of the above
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Frequency
Medium
Period
Nyquist limit
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Increased viscosity
Increased velocity
Decreased vessel path length
Increased vessel radius
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Shift analysis
Fourier transform
Nyquist limit
Spectral analysis
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Because of inadequate damping
In the Fresnel Zone
In the Fraunhofer Zone
When the pulse length is too long
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13 microseconds
91 microseconds
45 microseconds
7 microseconds
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Lateral resolution
Frequency
Axial resolution
Lateral & axial resolution
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Pulse duration
Duty factor
Pulse repetition period
Pulse repetition frequency
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Between any two crest (peaks) on the wave
Between any two troughs (valleys) on the wave
The wave travels in 1 second
Between two consective points that are in the same phase on the wave
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A Doppler Shift
Reverberation artifact
Shadowing
Improper axial position on the display
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C x p
Propagation speed multiplied by Density
Propagation speed divided by the Frequency
C x p and/or propagation speed multiplied by density
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Equal to the sum of the density and velocity
Equal to the product of density and velocity
Directly proportional to density and inversely to velocity
Directly proportional to velocity and inversely to density
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Quiz Review Timeline (Updated): May 7, 2024 +
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