问题
单项选择题
心血管内膜受损时，促进血栓形成的因素不包括（）
A.内皮下胶原
B.组织因子
C.纤维连接蛋白
D.凝血酶
E.大量幼稚血小板
答案
参考答案：E
解析：心血管内膜受损时，内皮下胶原暴露，促使血小板和凝血因子活化。而纤维连接蛋白有助于血液细胞和纤维蛋白原黏着在暴露的血管壁上，凝血酶和组织因子也参与这一过程。大量幼稚血小板在血液高凝状态下出现。
搜题请搜索小程序“爱下问搜题”
心血管内膜受损时，促进血栓形成的因素不包括（）
A.内皮下胶原
B.组织因子
C.纤维连接蛋白
D.凝血酶
E.大量幼稚血小板
参考答案：E
解析：心血管内膜受损时，内皮下胶原暴露，促使血小板和凝血因子活化。而纤维连接蛋白有助于血液细胞和纤维蛋白原黏着在暴露的血管壁上，凝血酶和组织因子也参与这一过程。大量幼稚血小板在血液高凝状态下出现。
完形填空（共20小题；每小题1分，满分20分） 阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出空白处的最佳选项，并在答题卡上将该项涂黑。 One day in summer I stepped into a tiny coffee shop to drink a cup of black coffee. As I entered, I found a very old woman bent 小题1: a table near the door. Her back was so 小题2:twisted(弯曲) by some sadness that her face nearly 小题3: the table-top. I sat down facing her two tables away. "Poor woman," I thought. "What does she 小题4: life? Why does God let people live so 小题5: past their prime(黄金时期)?" As I thought, 小题6: aged lady entered the shop and sat down with her. Soon the two of them were talking about 小题7: . They talked of how little the shop had 小题8: in 70 years... In minutes the two of them were 小题9: with laughter. I looked again at the 小题10: woman, then in the mirror on a nearby wall, 小题11: a picture of myself. I was wearing a dirty shirt. She was well dressed in white, gold rings on her fingers. I was in 小题12: spirits. She was laughing, smiling. I was putting the 小题13: of my life together. She had millions of wonderful 小题14: to recall. She was 小题15: the day with a good friend. I was 小题16: worried about getting old. She was old but it wasn't 小题17: her. As  I left the shop, I thought of my 小题18: questions about God letting people live past their prime. Why, that woman was more 小题19: and more sensitive than I was. 小题20: has not bent her spirit. But I am always filling my mind with something unpleasant.
|