淋巴结内T淋巴细胞主要分布在() ["A.浅层皮质","B.副皮质区","C.淋巴窦","D.皮质与髓质交界处","E.被膜与小梁"]
330MW汽轮机负推力瓦金属温度()℃停机。 ["A、110;","B、120;","C、95;","D、100。"]
对放疗最敏感的肺癌是() ["小细胞未分化癌","肺泡细胞癌","腺癌","鳞癌","以上均不敏感"]
心电图示电轴左偏约为-60°,Ⅰ、Av1导联呈qR波型,Ⅱ、Ⅲ、AvF导联呈rS图型,QRS时限 ["左室肥厚","高侧壁心肌梗死","不完全性左束支阻滞","左后分支阻滞","左前分支阻滞"]
下列哪项对肺鳞癌不正确() ["常为中心型","肺癌中最常见","生长迅速,病程短","对放疗、化疗较敏感","血行转移发生晚"]
院外急救的基本技术有哪些?