A.T4-10交感神經(jīng)節(jié)前纖維 B.T5-12交感神經(jīng)節(jié)前纖維 C.T5~L1交感神經(jīng)節(jié)前纖維 D.T5~L2交感神經(jīng)節(jié)前纖維 E.T6~L4交感神經(jīng)節(jié)前纖維
如圖,腰麻平面達(dá)T6,則其交感阻滯平面至少達(dá)()
A.T4 B.T5 C.T6 D.T7 E.T8
A.心動(dòng)徐緩 B.術(shù)前脫水 C.交感神經(jīng)節(jié)前纖維阻滯 D.肌張力下降 E.副交感神經(jīng)阻滯