A.枕下神經(jīng) B.頸前神經(jīng) C.耳大神經(jīng) D.枕小神經(jīng) E.鎖骨下神經(jīng)
A.吸入高濃度氧 B.正性肌力藥 C.縮血管藥 D.擴(kuò)張血管藥 E.抗心律失常藥
A.全血 B.少白細(xì)胞的紅細(xì)胞 C.濃縮紅細(xì)胞 D.濃縮粒細(xì)胞 E.新鮮冰凍血漿