颈部血管开放性创伤可出现() ["A.呼吸困难","B.气体栓塞","C.气肿","D.血肿","E.脑缺血"]
毛细胞型星形细胞瘤常见部位不包括() ["A.下丘脑","B.脑干","C.视交叉","D.小脑半球","E.大脑半球"]
气管闭合性损伤可出现() ["A.咳嗽及咯血、呼吸困难、气肿、局部疼痛","B.疼痛、吐血或呕血、气肿","C.颈部血肿、神经受压、脑缺血等","D.空气逸出、刺激性咳嗽、呼吸困难","E.吞咽痛、吐血、呕血、皮下气肿、颈部可见食物及唾液溢出"]
颈动脉创伤性栓塞可出现() ["A.咳嗽及咯血、呼吸困难、气肿、局部疼痛","B.疼痛、吐血或呕血、气肿","C.颈部血肿、神经受压、脑缺血等","D.空气逸出、刺激性咳嗽、呼吸困难","E.吞咽痛、吐血、呕血、皮下气肿、颈部可见食物及唾液溢出"]
阅读距离较一般眼镜式助视器远,便于写字或操作()视野大,携带方便,使用时不需手来扶持()放大倍数高,视野大,可调解对比度和亮度,体位不受限()是一种凸透镜,使视网膜成像放大() ["A.眼镜式助视器","B.近用望远镜","C.电子助视器","D.手持式放大镜","E.远用助视器"]
一个人双眼最好矫正视力<O.3,但≥O.05()双眼最好矫正视力<O.05()只有一眼矫正视力<O.05,但另一眼≥O.05()只有一眼矫正视力<O.3,但≥0.05,但另一眼≥O.3()