下列哪一心脏超声切面不能从胸骨左缘声窗测到()。 ["左室长轴","心房两腔(双心房)","左室流出道","主动脉根部短轴","右室流出道"]
40Hz以上的局部振动引起的局部振动病的主要特征病变是() ["发作性的白指或白手","上肢末梢循环障碍","自主神经功能紊乱","心脏功能紊乱","骨关节改变"]
外周血反映骨髓幼红细胞增生程度的最可靠指标是() ["血红蛋白及红细胞计数","网织红细胞百分率","网织红细胞绝对值","出现有核红细胞","红细胞内出现Howelli-Jolly小体"]
Wegener肉芽肿引起的鼻中隔穿孔宜采用的治疗方法是() ["全身或局部抗炎","鼻中隔黏膜减张缝合鼻中隔修补术","带蒂黏骨膜瓣转移缝合鼻中隔修补术","放射治疗","糖皮质激素治疗"]
下列关于绝经后子宫内膜的组织学形态描述,错误的是() ["单纯性萎缩时腺体稀少,小而直,腺体长径与表面平行","末次为排卵性月经时呈单纯性萎缩","囊性萎缩最常见","末次月经周期未排卵时出现囊性萎缩","极度萎缩的子宫内膜仅有表面上皮,几乎不见腺体和间质"]
气管向健侧移位和患侧移位分别见于哪些情况?