铸管管模内壁打点其中的一个目的是（）
A.清除微小裂纹
B.增强管模的抗冲击能力
C.增强抗拉强度
D.以上全部
参考答案：A
完全性葡萄胎镜下的结构，错误的是（）
A.绒膜结构水肿
B.绒毛结构消失
C.间质内血管消失
D.滋养细胞中度增生
E.滋养细胞轻度增生
The nurse notices muscle twitching in the hands and forearms of the client with pancreatitis. The nurse would report these symptoms immediately because clients with pancreatitis are at serious risk for which of the following problems
A．Hypermagnesemia.
B．Hyperkalemia.
C．Hypoglycemia.
D．Hypocalcemia.
