关于出血症状正确的是A．柏油便多伴有呕血B．呕血常伴有黑便C．咯血常伴有黑便D．鲜血便多伴有呕血E．鲜血便伴有呕血

作者: rantiku 人气: - 评论: 0

问题关于出血症状正确的是

选项 A．柏油便多伴有呕血 B．呕血常伴有黑便 C．咯血常伴有黑便 D．鲜血便多伴有呕血 E．鲜血便伴有呕血

答案 B

解析

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