下列哪项是呼吸衰竭时最常见的酸碱平衡紊乱() ["代谢性酸中毒","呼吸性酸中毒","代谢性碱中毒","呼吸性碱中毒","混合性酸碱紊乱"]
符合深静脉血栓患者的实验室检测结果的是() ["Fbg含量降低、PLG降低、FDP和D二聚体增高、PC和PS增高","Fbg含量降低、PLG增高、FDP和D二聚体增高、PC和PS降低","Fbg含量增高、PLG降低、FDP和D二聚体增高、PC和PS降低","Fbg含量增高、PLG降低、FDP和D二聚体降低、PC和PS增高","Fbg含量增高、PLG增高、FDP和D二聚体降低、PC和PS降低"]
根据柴油汽油的性质特点,如果柴油中混入了汽油,柴油的密度() ["A.不变","B.变小","C.变大","D.随机变化"]
胆总管探查及引流术适用于下列哪些情况() ["急、慢性胆管炎","有黄疸或黄疸史","胆总管增粗增厚","肝、胆管结石","多发的胆总管结石"]
血小板致密管道系统() ["是血小板与血浆间物质交换的通道","是血小板膜内陷形成,与外界相通","含有大量ADP","是致密颗粒释放的通道","是贮存钙离子的场所"]
如何做好隧道内的事故救援?