13.如圖所見頸部沿著箭頭所指示,可見一由前上向後下微突起之結構最可能是:
(A)胸鎖乳突肌(sternocleidomastoid muscle)
(B)橫頸動脈(transverse cervical artery)
(C)外頸靜脈(external jugular vein)
(D)內頸動脈(internal carotid artery)
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統計: A(296), B(37), C(1665), D(179), E(0) #1947176
統計: A(296), B(37), C(1665), D(179), E(0) #1947176