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Edelmen's SPI Exam Review With Correct Answers
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Edelmen's SPI Exam Review With Correct Answers 
Sound waves are: 
a) electric 
b) mechanical, transverse 
c) spectral 
d) longitudinal, mechanical -ANS D 
 
The speed of sound of ultrasound in soft tissue is closest to: 
a) 1,540 km/sec 
b) 1.54 km/sec 
c) 1,500 m/s 
d) 1,540 mm/sec -ANS C 
 
Which is not an acoustic variable? 
a) density 
b) pressure 
c) distance 
d) intensity -ANS D 
 
The effects of soft tissue on ultrasound are called: 
a) acoustic proliferation properties 
b)...
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