18. 主動脈弓(aortic arch)第一枝分枝為:
(A) 右頸總動脈(right common carotid artery)
(B) 左頸總動脈(left common carotid artery)
(C) 頭臂動脈幹(brachiocephalic trunk)
(D) 左鎖骨下動脈(left subclavian artery)
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統計: A(4), B(2), C(25), D(3), E(0) #1076738
統計: A(4), B(2), C(25), D(3), E(0) #1076738