26.執行靜脈穿刺採血(venipuncture)時,,應優先選擇採集哪一條靜脈的血液?(A)肘正中靜脈(Median cubital vein)(B)貴要靜脈(Basilic vein)(C)頭靜脈(Cephalic vein)(D) 胯靜脈(Iliac vein)