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← ScienceWhich risk increases when an MRI machine operates above designed radio frequency?
A)Excessive radio frequency interference (RFI)
B)Reduced signal-to-noise ratio (SNR) overall
C)Quench of the superconducting magnet
D)Eddy current heating of tissue✓
💡 Explanation
Operating above designed RF causes excessive electromagnetic induction in the patient, therefore eddy current heating increases because the radio frequency exposure escalates beyond safe limits, rather than other interference problems or magnet quenches.
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