患者女,7岁,因“近1年出现发作性目光呆滞,动作突然中止,呼之不应”来诊。每次发作持续数秒后缓解,无先兆。既往体健,智力、体格发育正常。患者发作症状最可能的诊断是() ["A.复杂部分性发作","失神发作","非典型失神发作","简单部分性发作","肌阵挛-失神发作"]
防烟区面积规定中,每个防烟分区的面积不宜大于() ["200㎡","300㎡","400㎡","500㎡"]
正常血小板平均寿命为() ["1D~2D","2D~4D","7D~14D","15D~21D","120D"]
患者女,7岁,因“近1年出现发作性目光呆滞,动作突然中止,呼之不应”来诊。每次发作持续数秒后缓解,无先兆。既往体健,智力、体格发育正常。患儿进行了脑电图检查,发作期最可能的发现是() ["A.1.0~2.5Hz的全面性棘慢波复合节律","3Hz的全面性棘慢波复合节律","爆发抑制波型","高度失律","颞叶起源的节律性活动"]
当障碍物的直径大于1/2λ时,将发生() ["折射","反射","衍射","不反射","不折射"]
常见的卵巢上皮性肿瘤有哪些?