胰腺真性囊肿USG征象为() ["囊肿较小,呈圆形或椭圆形","边界光滑、完整,囊肿壁回声清晰、稍强","胰腺某一局部或胰腺相邻部位出现无回声区","潴留性囊肿常多发,同时合并多囊肾或多囊肝","胰腺包虫囊肿常与肝包虫病伴发"]
已确诊为涎石病者,不宜作() ["进酸性食物","X线平片","涎腺造影","抗感染治疗","多饮水"]
Murphy征阳性则提示() ["细菌性肝脓肿","胆总管结石","左肝内胆管结石","急性胆管炎","急性胆囊炎"]
对下呼吸道的错误描述是() ["以骨、软骨、肌肉、结缔组织和黏膜构成","其软骨为"C"字形的软骨环","管腔衬以黏膜,表面覆盖有纤毛上皮","黏膜具有黏附吸入气体中灰尘颗粒的功能","纤毛具有净化吸入的气体的功能"]
胆囊积脓穿孔合并感染性休克宜采用() ["Oddi括约肌切开成形术","胆囊造瘘术","胆囊切除术","胆囊切除加胆管空肠吻合","胆囊切除加胆总管探查引流术"]
反冲洗造成滤料洁净的主要原因是水流剪切作用和滤料间的()作用。