低渗性缺水的症状时不出现下列哪种() ["直立性晕倒","疲乏、头晕","手足麻木","血压下降","常有口渴"]
患者,男,50岁。左眼突发视力下降,伴头晕,恶心。查体:左角膜混浊,前房不清,指测眼压T+3。该术式最严重的术后并发症是() ["A.浅前房,低眼压","浅前房,高眼压","恶性青光眼","滤过泡破裂","滤过泡纤维化"]
关于肺隔离症,正确的是(). ["好发于左肺下叶的后基底段","多伴发脊髓纵裂","动脉血供应源于肺动脉","可伴发隔疝","血管造影容易鉴别叶内型与叶外型隔离肺"]
具有换气功能的解剖结构包括(). ["肺泡","小叶细支气管","肺泡管","肺泡囊","呼吸性细支气管"]
机械故障的()使多数机械故障可以预防。故障诊断、视情维修就是建立在这一基础上的。 ["A、潜在性","B、渐发性","C、耗损性","D、模糊性"]
《说文解字》的编排方式是按照部首,全书共分()个部首。