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[问答题,简答题] 心脏扩大

孕激素试验阳性说明() ["用孕激素注射后无撤退性出血","属第二度闭经","病变在子宫内膜","卵巢无激素分泌","丘脑-垂体-卵巢轴之间尚有一定功能"] 清营汤主治() ["热入营分证","热入血分证","三焦火毒热盛证","上中二焦火热证","阳明气分热盛证"] 低钠血症的诊断标准为() ["A.血清钠低于140mmol/L","B.血清钠低于135mmol/L","C.血清钠低于130mmol/L","D.血清钠低于125mmol/L","E.血清钠低于120mmol/L"] 急性心肌梗死发生时,cTn在血中开始升高的时间是()。 ["2~4h","4~6h","6~8h","8~10h","10~12h"] 男,64岁,胃大部切除术后20年,发现黑粪5d,伴消瘦。查体:粪便隐血阳性,最可能的诊断是() ["胃溃疡出血","残胃癌出血","吻合口溃疡出血","十二指肠溃疡出血","胆汁反流性胃炎出血"] 心脏扩大
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