2岁小孩,体重9kg,生后6个月开始出现口唇发绀,无肺炎史,体格检查见轻度杵状指,胸骨左缘第3肋间闻及Ⅲ级收缩期喷射性杂音,肺动脉瓣区第二音单一响亮。X线胸片示心影呈"靴形",两肺清晰透亮。最可能的诊断是() ["A.房间隔缺损","室间隔缺损","动脉导管未闭","肺动脉瓣狭窄","法洛四联症"]
对于PFM的长期美观性失败,下面哪个因素经常有贡献() ["A.烤瓷金属遮色瓷层颜色改变","B.烤瓷颜色改变","C.烤瓷表面釉瓷颜色改变","D.邻近牙逐渐变黄"]
分泌雄激素的器官是()。 ["胸腺","睾丸","垂体","甲状腺","甲状旁腺"]
老年人的术前评估包括() ["A.血常规及血生化检查","B.全身状况及重要脏器的功能","C.认真的体检","D.心电图及X线片","E.肺功能检查"]
16岁,女性,高中生,下腹部坠胀痛5小时来诊。无月经初潮,近3月出现周期性下腹部坠胀痛,进行性加重,每月持续3~5天,可自行缓解,伴有低热、尿频。如该病例诊断为处女膜闭锁,处理恰当的是() ["A.期待观察","阴道成形术","处女膜切开成形","处女膜切除","阴道外口扩张","处女膜扩张","经前庭穿刺减压治疗","处女膜切开放置引流管"]
世界卫生组织肥胖顾问委员会推荐的欧洲成年人肥胖的诊断标准是()中国成人肥胖的诊断标准是()亚太地区肥胖防治委员会建议的亚洲成年人肥胖的诊断标准是()