如圖所示,頸椎橫突最突出者為()
A.C2橫突 B.C3橫突 C.C4橫突 D.C6橫突 E.C7橫突
A.C1~C3 B.C1~C4 C.C3~C6 D.C5~C6 E.C5~C7
如圖所示,臂叢神經(jīng),下列哪組神經(jīng)組成正確()
A.C5~C6~C7~C8~T1的前支 B.C5~C6~C7~C8~T1的后支 C.C5~C6~C7~C8的前支 D.C5~C6~C7~C8的前支和后支 E.C2~C3~C4~C5的前支