无论是献血前进行快速粗筛验血,还是患病就诊时做血常规等检查,都要采血。由于手指的动脉、静脉及毛细血管网比较丰富,采血易得,所以,检验师在采末梢血时多选择在指腹稍侧处采血。但是,在采指血时受检者往往不知道该将十个手指中的哪一个手指伸向检验师更好。其实,选择哪一个手 Whether it is blood test before blood donation, or blood test when suffering from illness, we must take blood. As the fingers of the arteries, veins and capillary network is relatively abundant, easy to get blood, so the examiner in the choice of peripheral blood pick the little side of the finger pulp blood. However, when taking blood, the subject often does not know which of the ten fingers should be extended to the examiner. In fact, choose which hand