第31题: [单项选择]患者,男,58岁。外伤致股骨干粉碎性骨折,入院后4小时患者出现咳嗽,呼吸困难,并进行性加重,动脉血氧饱和度87%,护士为该患者评估病情,该患者可能是发生了下述哪一并发症()。 A. 血管损伤 B. 感染 C. 骨筋膜室综合征 D. 休克 E. 脂肪栓塞综合征 参考答案:E 答案解析:脂肪栓塞综合征通常发生在骨折后48小时内,是由于骨折部位的骨髓组织被破坏,脂肪滴进入破裂的静脉窦内,继而进入血液循环,引起肺、脑、肾等周身性脂肪栓塞所致。该患者已出现了肺栓塞的症状。
A. as soon as she realized that something was wrong B. only after her husband advised her to C. a long time after the trouble began D. when John asked what was wrong with her 参考答案:C 答案解析:文章第一段说John知道母亲生病已经有一段时间了,他已经习惯看到她皱着眉头,Their own doctor,who she had finally gone to for advice,由此可知,她