A.17~19cm B.20~22cm C.23~25cm D.26~28cm E.29~31cm
A.粘膜层、粘膜下层、肌层、浆膜层 B.粘膜层、粘膜下层、肌层、固有层 C.粘膜层、粘膜下层、肌层、外膜层 D.粘膜层、粘膜肌层、肌层、浆膜层 E.粘膜层、粘膜肌层、肌层、纤维层
A.甲状腮下动脉损伤 B.无名动脉破裂出血 C.颈总动脉破裂出血 D.颈前带状肌受导管磨损出血 E.主动脉弓破裂大出血
A.主支气管一段支气管-肺叶支气管-呼吸性细支气管-肺泡管-肺泡 B.肺叶支气管一段支气管-主支气管-呼吸性细支气管-肺泡管-肺泡 C.主支气管-肺叶支气管一段支气管-呼吸性细支气管-肺泡管-肺泡 D.主支气管-肺叶支气管一段支气管-肺泡管-呼吸性细支气管-肺泡 E.主支气管一段支气管-肺叶支气管-呼吸性细支气管-肺泡管-肺泡
A.9 B.8 C.6 D.4 E.2