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 (MR)-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.
ANSWER: heat equation [accept the bioheat equation]
<AY, Physics>
Summary
| 2024 ARCADIA at Claremont | 2024-11-02 | Y | 1 | 20.00 | 100% | 100% | 0% |
Data
| ALCU | U[C]SD | 10 | 10 | 0 | 20 |