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单选题
重度有机磷中毒患者血清胆碱酯酶活力应为()
A
〈75%
B
〈50%
C
〈45%
D
〈100%
E
〈30%
参考答案
参考解析
解析:
以正常人血胆碱酯酶活力值作为100%,急性有机磷中毒时,胆碱酯酶活力值在70%~50%为轻度中毒,50%~30%为中度中毒,30%以下为重度中毒。
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