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Which risk escalates when an MRI gradient coil's resonant frequency approaches pulse sequence frequency?

A)Increased eddy current artefact
B)Higher specific absorption rate
C)Reduced signal to noise ratio
D)Diminished magnetic field strength

💡 Explanation

Increased eddy current artefact risk escalates because resonant frequencies can drive increased currents; this phenomenon is inductive coupling. Therefore, eddy current artefacts rise, rather than improvements because increased RF energy causes heating and distorts magnetic fields.

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