B. Cleanse the skin well around the venipuncture site and drape the area. Sterile gloves should be worn when performing this procedure.

• 穿刺术野备皮、铺巾（老外的胸毛是否是备皮的重点，呵呵，译者注。）严格无菌操作，穿无菌衣戴无菌手套。