This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Deleterious effect of ultrasound on small organism is: 
Select and explain. 
A. Ionisation, B. Vacoulation, C. Cavitation, D. Disintegration
C: Cavitation
Answer: C: Cavitation 
Explanation: Ans. Cavitation