A.取血前讓兔耳充分充血 B.一般用6號(hào)針頭 C.抽血可達(dá)15ml D.由耳根部動(dòng)脈刺入 E.由耳中央動(dòng)脈末端分叉處開(kāi)始刺入
A.5~10ml B.10~15ml C.15~20ml D.20~25ml E.25~30ml
A.尾尖采血 B.摘眼球采血 C.斷頭采血 D.頸動(dòng)脈采血 E.耳緣剪口采血