患者男,26岁,因上前牙牙面黑色横纹数年要求美齿修复。查体:唇面中央一横纹,与周围分界清晰,探针可探入,探痛(一)最可能的诊断()。 ["A.中龋","氟牙症","四环素牙","釉质发育不全","楔状缺损"]
肱三头肌反射中枢在() ["C2~3","C3~4","C4~5","C7~8","C8~T1"]
放射性肺炎描述错误的是() ["放射野密度增高影","肺纤维化","不伴支气管扩张","边缘平直","纵隔移位"]
男,67岁,呼吸困难半余余,结合影像学检查,最可能的诊断是() ["胸骨后甲状腺肿","淋巴瘤","间皮囊肿","纵隔畸胎瘤","胸腺瘤"]
正确治疗呼吸性酸中毒应该是() ["改善通气占主要地位","体液治疗占主要地位","PE.E.P治疗占主要地位","以上各项"]
惊厥的临床表现。