MRSO QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED
physical effects of STATIC FIELDS - translation rotation lenz physical effects of TIME-VARYING FIELDS - motion noise induced currents (on object/in person) lenz translation rotation everything NOT MR SAFE needs to be behind... - 5 gauss line earth's magnetic fiels - 0.5 gauss 1.5T = ___ gauss - 15,000 3 T = ___ gauss - 30,000 MR device can be considered non-significant risk IF: (list) - static mag field SAR dB/dt sound pressure level ^ are below certain thresholddB/dt - gradient fields rate of change can produce severe discomfort/nerve stimulation limits for# Tesla adults can take - 8T limits for # Tesla a >1month old can take - 4T max unprotected sound level - 140 dB max PROTECTED sound level - 99 dBA
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- December 5, 2023
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- 2023/2024
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