急性心肌梗死合并心源性休克的主要表现为()。 ["血压不变,中心静脉压下降","血压下降,四肢干燥、温度低","双下肢水肿,颈静脉怒张","血压下降,肺毛细血管楔压上升","血压下降,心率增快"]
急性血吸虫病血象检查显著增多的是() ["中性粒细胞","白细胞总数","嗜酸性粒细胞","嗜碱性粒细胞","单核细胞"]
虱传回归热的传染源是() ["病人","鼠类","臭虫","虱","蜱"]
口腔颌面部感染脓肿形成后行切开引流术的要点,下列哪一项除外() ["切口部位应在脓肿低位,尽可能在口内引流","切口长度不超过脓肿边界以外切口内外径应等大","深部脓肿应做穿刺,采用锐性分离进入脓腔","需放置引流","应有利于引流通畅、不影响面容、避开重要解剖结构"]
急性白血病引起发热的原因,下列哪项不对() ["成熟粒细胞减少或缺乏","免疫功能减退","化学药物抑制白细胞和免疫力","营养不良","粒细胞吞噬力正常"]
为什么要进行高压煤浆泵水压试验?