Do you have knowledge of SPI? If you are pursuing a career in sonography, you can take this SPI practice test before the final exam. This SPI practice test is an interactive quiz, containing questions designed to test your readiness to use sonography and get the correct meaning from the reading. It is designed to test your understanding of sonographic principles and instrumentation. Take up the quiz and find your readiness with the score you get. Do share the result.
Electric
Mechanical transverse
Spectral
Longitudinal mechanical
1.540 km/sec
1.54 km/msec
1.500 m/s
1.540 mm/sec
19.000 kHz
10.000 MHz
20.000 msec
15.000 Hz
Density
Pressure
Distance
Intensity
Acoustic proliferation properties
Dynamic effects
Acoustic propagation properties
Biologic effects
Two waves with identical frequencies must interfere constructively.
Constructive interference is associated with waves that are in-phase.
Out-of-phase waves interfere destructively.
Waves of different frequencies may exhibit both constructive and destructive interference at different times.
Deca
Deci
Micro
Centi
Pulse duration
Pulse period
Period
Duration period
30 kHz
8 MHz
8.00 Hz
3.00 kHz
15 Hz
10.00 Hz
1.00 kHz
1 kHz
1 MHz
Pulse length
Wavelength
Cycle distance
Cycle duration
Frequency
Period
Propagation speed
Range resolution
Pulse duration
Period
Number of cycles in the pulse
Frequency
Increasing stiffness and increasing density
Increasing stiffness and increasing elasticity
Decreasing compressibility and decreasing density
Decreasing stiffness and decreasing density
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