双极细胞核位于哪一层() ["A．视锥、视杆细胞层","B．外核层","C．神经节细胞层","D．内核层","E．神经纤维层"]
支气管异物可见于()食管自发破裂可见于()右上纵隔积液可见于() ["A．V型征","B．上纵隔液平面影","C．右上纵隔增宽尖角征","D．纵隔压迫征","E．纵隔钟摆运动"]
视网膜是由什么发育而成（） ["A．神经节细胞","B．中胚叶","C．表皮外胚叶","D．神经外胚叶","E．外胚叶的原纤维"]
慢性支气管炎可出现()肺癌可出现()间质性肺水肿可出现() ["A．支气管憩室征","B．支气管截断征","C．空气支气管征","D．支气管宽径征","E．支气管周围袖套征"]
关于急性肾炎的治疗，下列哪项是错误的() ["A．青霉素为其特异性治疗","B．急性期1～2周内宜卧床休息","C．要注意防止急性期严重症状的发生","D．对症治疗","E．保护肾功能"]
错构瘤可见于()矽肺可见于()肺泡微石症可见于()
