Question
Thermal ablation of abnormal tissue using this non-invasive, non-ionizing technique can be used to treat conditions ranging from fibroids to essential tremors. For 10 points each:
[10e] Name this technique in which acoustic energy is used to destroy tissues. This technology is also used to image fetuses.
ANSWER: ultrasound [accept US; accept high-intensity focused ultrasound or HIFU; accept magnetic resonance guided focused ultrasound or MRgFUS]
[10m] Mechanical, as opposed to thermal, destruction of tissue in ultrasound ablation primarily occurs via this process. Collapse of regions generated by this process can create enough energy to emit light in a process called sonoluminescence.
ANSWER: cavitation
[10h] Numerical models of ultrasound ablation may use the Pennes “bio” form of this equation, which modifies this equation with a blood perfusion term. This equation can be derived by combining Fourier’s law with a continuity equation for energy.
ANSWER: heat equation [accept the bioheat equation]
<AY, Physics>
Summary
| 2024 ARCADIA at Waterloo | 2024-11-09 | Y | 2 | 20.00 | 100% | 50% | 50% |
| 2024 ARCADIA at Illinois | 2024-11-09 | Y | 3 | 23.33 | 100% | 67% | 67% |
Data
| Toronto A | Waterloo Basic | 10 | 10 | 10 | 30 |
| Toronto Disband the Club 2k24 | Toronto Metropolitan A | 10 | 0 | 0 | 10 |