呕血与咯血的鉴别，下列哪种说法不对A．呕血多呈咖啡色，咯血呈鲜红色B．呕血前常有恶心，咯血前常有咳嗽C．呕血者，多伴柏油样便D．呕血者，呕吐物...

作者: rantiku 人气: - 评论: 0

问题呕血与咯血的鉴别，下列哪种说法不对

选项 A．呕血多呈咖啡色，咯血呈鲜红色 B．呕血前常有恶心，咯血前常有咳嗽 C．呕血者，多伴柏油样便 D．呕血者，呕吐物内往往混有食物残渣 E．呕血呈碱性，咯血呈酸性

答案 E

解析

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