Question

ultrasound utilizes high-frequency sound waves. when applied in targeted pulses, it can be used to break up calculi such as kidney stones. what is this specific application called?
○ hygienics
○ tomography
○ lithotripsy
○ cavitation

Explanation:

• Hygienics is about health and hygiene practices, not related to breaking calculi.
• Tomography is imaging by sectioning, like CT scans, not for breaking stones.
• Lithotripsy uses shock waves (including ultrasound - based) to break calculi like kidney stones, matching the description.
• Cavitation is the formation of bubbles in a liquid due to pressure changes, not the specific term for breaking calculi.

Answer:

C. lithotripsy