题型:问答题 简答题 患者,56岁,全麻坐位下行开颅小脑脑桥角肿瘤切除术,术中PCO监测突然下降明显,同时血压下降约20%。首先因考虑()。A.出血性休克B.脑水肿C.脑神经牵拉反射D.空气栓塞E.监测仪故障 查看答案
题型:问答题 简答题 He lost both of his parents in the big earthquake, but _____ for him, a kind couple adopted him and took good care of him. [ ]A. suddenly B. naturally C. obviously D. luckily 查看答案