眼底正常动静脉管径之比为() ["2:4","1:3","1:2","2:5","2:3"]
神经管缺陷胎儿的检测,最常用的是检测羊水及母血中何种物质的含量() ["CA125","CEA","AFP","E2","PRL"]
男性,69岁。咳嗽、痰中带血、消瘦8个月,发热5天。吸烟史51年。X线胸片检查:右肺上叶片状阴影。
患者拒绝住院,1个月后出现右侧颜面无汗、上眼睑下垂、瞳孔缩小、眼球内陷。复查X线胸片:右肺顶部致密块影。最可能的诊断是()。 ["转移性肺癌","周围型肺癌","中央型肺癌","肺不张","原发性肺结核"]
炸危险场所必须设置什么样标志牌?
在调节松弛的状态下眼球总的屈光力是多少() ["85.64D","43.05D","19.11D","58.64D","70.57D"]
全生产管理所坚持的方针是什么?