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自我胎动计数哪项为异常( )A.>3次／小时B.<5次／小时C.<10 次／24小时D.>80次／24小

A.>3次/小时
B.<5次/小时
C.<10
B.>80次/24小时
E.>70次/24小时

【参考答案】

C
解析：妊娠18～20周，孕妇开始自觉有胎动，妊娠周数越大，胎动越明显，正常胎动35次/小时。
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男性，68岁，突起剧烈压榨样胸痛、呕吐伴窒息感2h入院。查心率110次 分，血压13.3 8.0kPa，心电图示V1～V4导联ST段呈弓背向上抬高，律不齐。本病例最可能的诊断为（ ）A．肺梗死B．高血压危象C．急性心肌梗死D．急性主动脉夹层分离E．高血压脑出血
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