8 Questions
What is the frequency range of ultrasound waves?
Above 50,000 Hz
Which term refers to the decrease in ultrasound intensity as it travels through tissue?
Attenuation
What is the depth at which therapeutic ultrasound maximizes energy absorption in soft tissue?
3-6 cm
Which type of effect of ultrasound involves altering cell membrane permeability?
Nonthermal effects
What is the term for the steady, circular flow of cellular fluids induced by ultrasound?
Acoustic streaming
What is microstreaming associated with?
Gas bubbles
During which phase of an ultrasound wave do bubbles present in the tissue expand?
Rarefaction phase
What happens during cavitation induced by ultrasound?
Pulsation of gas-filled bubbles
Test your knowledge on ultrasound properties, frequencies, and how ultrasound waves transmit energy through materials. Learn about sound frequencies, attenuation, and therapeutic ultrasound frequencies.
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