Quiz: Pulse Sequences, Mugler

Which unwanted effect can occur for variable flip angle schemes due to B1 inhomogeneities or miscalibration?

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How is a spectral-spatial excitation pattern achieved?

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Which feature do spectral-spatial excitation patterns offer besides the excitation of individual metabolites?

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Which statement holds for hyperpolarized MRI and does not hold for clinical (steady-state) proton MRI

The SNR is proportional to the square-root of the experiment duration
The SNR is independent of experiment duration (except for g-factor losses and T1 decay
The experiments are not limited by the SNR
The SNR is proportional to the square-root of the number of signal averages

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