肺结核干酪样坏死破溃入胸腔可引起() ["喉、肠结核","脓气胸","肺心病","脑膜结核","支气管扩张症"]
由粗细不等的不锈钢丝制成,无基托覆盖,体积小,矫治器外露少,被称为金属支架式活动矫治器,又叫() ["标准的Hawley保持器","舌习惯矫治器","螺旋器分裂基托矫治器","斜面导板活动矫治器","Crozat矫治器"]
骨关节炎患者服阿司匹林后出现黑便,应首先考虑() ["食管静脉曲张破裂出血","急性胃炎出血","十二指肠溃疡出血","胃癌出血","反流性食管炎出血"]
下述哪些症状或体征会出现于急性心包炎() ["A.心包摩擦音","B.吸气时和平卧时胸骨后疼痛加重","C.第二心音逆分裂","D.发热、乏力","E.Ewart征"]
纠正前牙反?常用的活动矫治器是() ["上颌双侧?垫矫治器","单侧?垫矫治器","标准的Hawley保持器","平面导板矫治器","Crozat矫治器"]
皮质性白内障根据其病程可分为()、()、()、()。