A client delivered a healthy full-term female neonate 2 hours ago by cesarean delivery. When assessing this client, which finding requires immediate nursing action（）

A. Tachycardia and hypotension.

B. Gush of vaginal blood when the client stands up.

C. Blood stain 2" (5 cm) in diameter on the abdominal dressing.

D. Complaints of abdominal pain.

上皮细胞分裂繁殖增强，数目增多，常伴有细胞体积增大的是指()
已分化成熟的组织，形态和功能转化为另一种成熟的相同组织的过程称为()
核形态、大小、染色质分布异常的是指()

A．增生

B．再生

C．化生

D．核异质

E．角化不良