下述哪种疾病最容易发生夜间阵发性呼吸困难() ["A.心绞痛","B.房间隔缺损","C.肺心病","D.原发性高血压","E.主动脉瓣关闭不全"]
二氧化碳结合力(C0CP)
液化性坏死常见于() ["肝","脑和胰腺","胃肠道","肾","脾"]
男性,28岁,急性完全性小肠梗阻。梗阻近端肠管内压力增高到一定程度时,血运会发生障碍。最初存在的主要表现为() ["A.血栓形成,肠壁失去活力","毛细血管通透性增加","静脉血回流受阻,肠壁毛细血管及小静脉淤血","肠壁组织缺氧","肠壁缺血,通透性增加"]
干酪样坏死的本质是() ["彻底的凝固性坏死","脂肪坏死","纤维素样坏死","干性坏疽","液化性坏死"]
全血缓冲碱(BB)