心交感神经末梢释放() ["A．去甲肾上腺素","B．血管紧张素","C．肾上腺素","D．乙酰胆碱","E．组胺"]
肺结核空洞一般为() ["A．薄壁空洞","B．厚壁空洞","C．虫蚀样空洞","D．以上均可","E．以上均不可"]
输血反应()青霉素过敏性休克()链球菌感染后的肾小球肾炎()移植排斥反应() ["A．Ⅰ型超敏反应","B．Ⅱ型超敏反应","C．Ⅲ型超敏反应","D．Ⅳ型超敏反应","E．人工被动免疫反应"]
肺动静脉瘘特征性临床表现为() ["A．呼吸困难","B．红细胞增多症","C．颜面血管扩张","D．心外性杂音","E．咯血"]
试述Ⅲ型超敏反应特点及常见疾病。
心内膜弹力纤维增生症(endocardialfibroelastosis)
