A.5min B.10min C.15min D.20min E.25min
A.T交感神經(jīng)節(jié)前纖維 B.T交感神經(jīng)節(jié)前纖維 C.T~L交感神經(jīng)節(jié)前纖維 D.T~L交感神經(jīng)節(jié)前纖維 E.T~L交感神經(jīng)節(jié)前纖維
如圖,腰麻平面達(dá)T,則其交感阻滯平面至少達(dá)()
A.T4 B.T5 C.T6 D.T7 E.T8