扩张型心肌病的最主要特征是() ["心肌收缩期泵功能衰竭","附壁血栓","呼吸困难","心肌舒张期泵功能衰竭","心房纤颤"]
造成水中某些污染物在生物体内含量大大高于水体中的浓度的生物放大作用是指() ["水生生物","食物链","生物转化","生物迁移","氧化还原反应"]
脑显像脑灌注介入试验的目的是()。 ["防止脑显像出现并发症","观察药物治疗效果","同时进行药物治疗","提高对脑缺血的诊断阳性率","以上均正确"]
亚硝酸盐中毒的特征临床表现是() ["全身广泛出血","流涎、多汗","瞳孔缩小","低血压及休克","口唇、皮肤青紫"]
胆汁能保持胶团溶液主要有赖于() ["胆汁中正负电荷平衡","有适量的电解质","胆道分泌黏液","胆盐与磷脂的比例","胆汁持续流出胆道"]
阔韧带内肌瘤