椎管内血管畸形中最常见的是() ["A.动脉畸形","B.静脉畸形","C.毛细血管扩张症","D.动静脉畸形","E.混合性畸形"]
胎儿宫内急性缺氧早期表现是()。 ["胎动正常","胎动略增","胎动频繁","胎动减弱","胎动消失"]
下列哪项不是白色念珠菌病的病因() ["遗传因素","潮湿的环境","宿主抵抗力下降","长期应用抗生素","吸烟"]
脑(肝)豆状核变性,脑的铜沉积并发胶质增生最显著的部位是() ["黑质","脑干","白质","壳核","小脑齿状核"]
与食管癌发病因素无相关性的是()。 ["亚硝胺类化合物及真菌","环境气候与季节","饮食习惯、营养不良和微量元素缺乏","遗传因素","Barret食管"]
弹性纤维()横纹肌()纤维蛋白()网状纤维()胶原纤维()