An extra help for those of you who are studying for the SPI. It will be based on chapters 2 - 6
True
False
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True
False
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Pressure density distance
Period frequency amplitude power intensity wavelength propagation speed
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Short
Long
Either one
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True
False
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True
False
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Pressure, density, distance
Period, frequency, amplitude, power, intensity, wavelength, propagation speed
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Acoustic propagation properties
Bioeffects
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Sound source
Sound source and medium
Medium
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Yes
No
Listening time has nothing to do with deep imaging
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Perpendicular, orthogonal, right angle, 90 degrees
Obtuse, acute, orthogonal, 90 degrees
Obtuse, 180 degrees, right angle, acute
Perpendicular, and obtuse
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True
False
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Shorter PRP
Longer PRP
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Distance that a pulse occupies in space from start to the end of a pulse
Time that a pulse occupies in space from start to the end of a pulse
Time from the start of a pulse to the start of the next pulse
The number of pulses that an ultrasound system transmits into the body each second
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True
False
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Diffue reflection
Specular
Scattering
Rayleigh scattering
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True
False
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<20 Hz
Between 20 Hz & 20 kHz
>20 kHz
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Medium
Sound source
Both sound source and medium
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Sound source
Medium
Both
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Sound source
Medium
Both
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Yes
No
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Reduced
Increased
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Ten times larger
Three times larger
Half
Doubled
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True
False
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3 kHz
5,321 Hz
1 Hz
3 Hz
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Pulse duration x 100
Pulse duration/ PRP
PRP x 100
Pulse duration / PRP x100
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Spatial pulse length
Pulse repition period
Pulse repition frequency
Pulse duration
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True
False
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Directly
Inversly
No relationship
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Decreases
Increases
Remains the same
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True
False
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Acoustic variables
Watts
Energy
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True
False
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The frequency of sound
Medium
Both
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1540 m/s
1450 m/s
1560 m/s
3500 m/s
1
2
10
20
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High attenuation
Low attenuation
Intermediate
Extremely low
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# of cycles x wavelength / frequency
Has no formula
# of cycles x wavelength
# of cycles / frequency
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Inversely
Directly
Proportional
Reciprocal
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Transducer frequency
Pulse repetition frequency
Acoustic impedance of the tissue
Gain settings on the ultrasound machine
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Quiz Review Timeline (Updated): Jun 25, 2025 +
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