问题
单项选择题 案例分析题
初产妇，孕39周，临产3h，做胎儿电子监测结果基线胎心率是152次/分，在宫缩高峰时，胎心率下降40次/分，持续15s宫缩后恢复正常。
减速出现的原因可能为（）。
A.胎头受压，脑血流量减少
B.宫缩、脐带受压、迷走神经兴奋
C.脐静脉暂时受压
D.胎儿缺氧
E.胎头受压，脑部充血
答案
参考答案：A
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初产妇，孕39周，临产3h，做胎儿电子监测结果基线胎心率是152次/分，在宫缩高峰时，胎心率下降40次/分，持续15s宫缩后恢复正常。
减速出现的原因可能为（）。
A.胎头受压，脑血流量减少
B.宫缩、脐带受压、迷走神经兴奋
C.脐静脉暂时受压
D.胎儿缺氧
E.胎头受压，脑部充血
参考答案：A
As I look back on it now, I realize it was kind of silly of me to be so worried when Daddy was really just late. I waited every night for Daddy whom I followed around everywhere. That day, I stood at my place by the door, waiting for his return from work. After standing there for a while, I began to where Daddy was. I ran into the kitchen and asked Mummy ,“When is Daddy coming? ” “ Soon, honey, ”Mummy replied distractedly (心不在焉的) because she was following a difficult recipe(cookbook) for dinner. I ran back to the door for I knew that Daddy was coming and that I wasn’t standing there for nothing, I began to read the words from my favorite books. Tired of that, I went back to the kitchen to ask Mummy again but I could open my mouth, she handed me a My little Pony coloring book. She said: “I’m busy, Daniel. Go and a pretty picture and I’ll hang it on the fridge. ” I went back to the door, put my book and crayons (蜡笔) down, then went to get my mini chair to sit in. After a while, the became a pink-and-purple artistic wonder. Soon I with relief (放心) as I heard the sound of the garage door and Daddy’s car driving in. I heard him turn off the engine and open and close his car door. The next thing I knew was that the door opened and there stood Daddy. I stood up and my arms . I hugged him tightly and whispered, “I love you”. As I sit at the computer finishing this story, I know Daddy will be home soon. I still when he’s late. I still go to greet him when he arrives. And I still tell him I love him.
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