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病人发生甲状腺功能亢进时,其摄取率131I,2小时至少超过()

单选题
2021-12-27 11:27
A、15%
B、20%
C、25%
D、30%
E、35%
查看答案

正确答案
C

试题解析
正常甲状腺24小时摄131I量为人体总量的30%~40%2小时内甲状腺摄取131I超过人体总量的25%,或在24小时内超过人体总量的50%,且吸131I高峰提前出现,均可诊断为甲亢。正常24小时为30%~40%。

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