下述情形中属于医疗事故的为() ["由于病情突然变化而发生意外","诊疗护理过失,虽未造成死亡、残废、功能障碍,但对健康造成一定损害,延长了治疗时间","因病员体质特殊而发生难以防范的后果","对解剖关系辨不清,误伤临近重要器官,造成功能障碍","发生难以预料的并发症"]
对中心性浆液性脉络膜视网膜病变不应该使用() ["维生素","激素","肌苷","三磷酸腺苷(ATP)","50%葡萄糖注射液"]
周围血象有全血细胞减少的疾病除外() ["再生障碍性贫血","脾功能亢进","阵发性睡眠性血红蛋白尿","急性白血病白细胞减少型","特发性血小板减少性紫癜"]
糖皮质激素首选用于() ["镰状细胞贫血","遗传性椭圆形细胞增多症","海洋性贫血","阵发性睡眠性血红蛋白尿","温抗体型溶血性贫血"]
支气管扩张症最常见的病因是() ["支气管内结石","肺结核","肿瘤压迫","肺囊性纤维化","严重的支气管肺部感染和支气管阻塞"]
简述反渗透装置进水水质指标中污染指数与浊度有何不同?