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Penny SPI review Questions and Answers (100% Pass)

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What is enhancement caused by? weakly attenuating structures What is the multipath artifact? artifact caused by the sound beam bouncing off several different reflectors What is the typical value of PRF in diagnostic ultrasound? 1000-10,000 Hz or 1-10 KHz What are specular reflections? ...

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  • November 18, 2024
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  • 2024/2025
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  • Penny SPI
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1|Page | © copyright Master01| Grade A+




Penny SPI review Questions and
Answers (100% Pass)
What is enhancement caused by?


✓ weakly attenuating structures




What is the multipath artifact?


✓ artifact caused by the sound beam bouncing off several different

reflectors




What is the typical value of PRF in diagnostic ultrasound?


✓ 1000-10,000 Hz or 1-10 KHz




What are specular reflections?


✓ reflections that occur when the sound impinges upon a large, smooth

reflector at a 90 degree angle.




What are non-specular reflections?


✓ reflectors that are smaller than the wavelength of the incident beam




Half-intensity depth

Master01 |Excellent Study Material| Latest update

, 1|Page | © copyright Master01| Grade A+

✓ the depth at which sound has lost half of its intensity




phase quadrature


✓ the component of the Doppler device that determines positive

opposed to negative frequency shifts and, therefore, direction of

blood flow




Fast Fourier Transform (FFT)


✓ a mathematical process used for analyzing and processing the

Doppler signal to produce the spectral waveform




What describes the distance from the beginning of a cycle to the end of that

cycle?


✓ wavelength




What reduces pulse duration?


✓ damping




What are harmonic signals?




Master01 |Excellent Study Material| Latest update

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