【名词&注释】
支气管(bronchial)、相互关系(relationship)、吸收能力(absorptive capacity)、照片对比度、锐利度、直接关系(directly related)、肺动脉干(pulmonary trunk)、右下肺动脉(right inferior pulmonary artery)、性能好(good performance)
[单选题]右肺门角是哪两种结构的夹角()
A. A.右中叶静脉和右下肺动脉(right inferior pulmonary artery)
B. B.右下肺动脉(right inferior pulmonary artery)干(pulmonary trunk)和右主支气管
C. C.右上叶下后静脉干和右下肺动脉(right inferior pulmonary artery)
D. D.右上叶下后静脉干和气管
E. E.右上叶下后静脉和右主支气管