晶状体前面或后面突出,常有高度近视() ["球形晶状体","先天性无晶状体","圆锥形晶状体","晶状体缺损","晶状体形成不全"]
超强刺激的强度应是比产生最大肌收缩效应的刺激强度还要增强() ["5%~9%","10%~15%","16%~29%","20%~25%","26%~30%"]
该病人皮肤、巩膜黄染加重,体温升高至40℃,脉搏130次/分,血压90/60mmHg,神志不清,此时最可能的诊断为()。 ["细菌性肝脓肿破裂","肝外胆管结石并胆管炎","急性化脓性胆囊炎、穿孔","肝内胆管结石并胆管炎","急性梗阻性化脓性胆管炎"]
治疗血虚配伍补气药的理论基础是() ["A.气能生血","B.气能行血","C.气能摄血","D.血能载气","E.血能养气"]
烧伤常见的并发症是() ["周身感染","应激性溃疡","休克","急性肾衰竭","呼吸衰竭"]
综合式推力轴承的推力间隙,一般为0.4~0.5mm,若间隙过大,当推力发生方向性改变时,会使通流间隙变(),对瓦块冲击力(),使转子轴向位置不稳定.