腰椎管狭窄症典型的临床表现是
A.行走时出现腰痛B.行走时出现腿痛C.体格检查下肢有神经损害的体征D.行走时出现尿意E.下肢神经源性间歇性跛行
参考答案:E
不符合阵发性睡眠性血红蛋白尿的临床表现的是()
A.大多数以血红蛋白尿为首发症状
B.全血细胞下降
C.贫血、出血和感染
D.易形成血栓
E.血红蛋白尿“晨重暮轻”
Instructions to the crew in the use of all the ship’s lifesaving equipment shall be completed().
A.before sailing
B.within one week of sailing
C.in one month and repeated quarterly
D.within any two month period