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Exam (elaborations)
Spi Practice Questions All Answers Correct
SPI PRACTICE QUESTIONS ALL ANSWERS CORRECT 
What is the purpose of axial resolution in ultrasound? 
️️Axial resolution allows for the distinction between two structures along the direction of the 
sound beam, determined by pulse length and frequency. 
How does acoustic enhancement appear on an ultrasound image? 
️️Acoustic enhancement appears as increased brightness behind fluid-filled structures, as fluids 
cause minimal attenuation of sound waves. 
What is the primary factor tha...
Exam (elaborations)
SPI Practice Questions All Answers Correct
PopularSPI Practice Questions All Answers Correct 
Sound waves are: ️longitudinal, mechanical 
The speed of sound in soft tissue is closest to: ️1,500 m/s 
The frequency closest to the lower limit of ultrasound is: ️15,000 Hz 
Which is not an acoustic variable? ️intensity 
The effects of soft tissue on ultrasound are called: ️acoustic propagation properties 
All of the following are true EXCEPT: ️two waves with identical frequencies must interfere 
constructively 
Put in decreasing ...