门管区
参考答案：门管区：数个肝小叶相邻的局部区域，在较多的结缔组织内，有肝动脉的分支小叶间动脉、门静脉的分支小叶间静脉和肝管的分支小叶间胆管。
A client who has discovered a breast lump is tearful and expresses concern over her situation. The best way for the nurse to respond to her is by（）
A. encouraging a discussion of her problems and fears.
B. asking her if she would like to talk to the chaplain.
C. giving her reassurance.
D. recommending a support group.
步行机器人的行走机构多为（）
A．滚轮
B．履带
C．连杆机构
D．齿轮机构
