46. FDA允許MRI的全身平均比吸收率(SAR)最大值是多少?
(A)4 W/kg
(B)40 W/kg
(C)0.4 W/kg
(D)400 W/kg
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統計: A(742), B(98), C(108), D(8), E(0) #3381077
統計: A(742), B(98), C(108), D(8), E(0) #3381077
詳解 (共 3 筆)
#6411622
Criteria for Significant Risk Investigations of Magnetic Resonance Diagnostic Devices - Guidance for Industry and Food and Drug Administration Staff
Specific Absorption Rate (SAR)
| Site | Dose | Time (min) equal to or greater than: |
SAR (W/kg) |
|---|---|---|---|
| whole body | averaged over | 15 | >4 |
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