男,30岁,经常鼻塞2年,呈间歇性和交替性,安静时加重,检查见双下鼻甲肿胀,中鼻道及嗅裂未见分泌物潴留。该病应首先考虑的诊断是() ["A.伤风鼻塞 ","B.鼻窒 ","C.鼻鼽 ","D.鼻渊 ","E.鼻息肉"]
馆阁制
输血可能引起的最严重并发症是() ["非溶血性发热反应","变态反应和过敏反应","溶血反应","细菌污染反应","出血倾向"]
引起沙眼的是() ["细菌","支原体","衣原体","病毒"]
计算机启动时,显示器上出现的指针表示() ["安装了键盘","鼠标被连接到计算机上","安装了打印机","已进入了Internet"]
蜂窝状