问题
单项选择题 A1型题
缺血性脑卒中的最常见的病因是()
A.动脉炎性改变
B.血液高凝状态
C.血液细胞高黏度状态
D.脑动脉粥样硬化
E.脑血管畸形
答案
参考答案:D
解析:动脉粥样硬化性血栓性脑卒中是缺血性脑卒中最常见的类型,在动脉粥样硬化的基础上,管腔狭窄,闭塞或者血栓形成,造成局部脑组织因血液供应中断而发生缺血、缺氧性坏死。故答案选择D。
缺血性脑卒中的最常见的病因是()
A.动脉炎性改变
B.血液高凝状态
C.血液细胞高黏度状态
D.脑动脉粥样硬化
E.脑血管畸形
参考答案:D
解析:动脉粥样硬化性血栓性脑卒中是缺血性脑卒中最常见的类型,在动脉粥样硬化的基础上,管腔狭窄,闭塞或者血栓形成,造成局部脑组织因血液供应中断而发生缺血、缺氧性坏死。故答案选择D。
从方框中选出最佳选项完成下面的对话。 A: How was your vacation, Fred? B: It was great. 小题1: A: Cool! Where did you go in the U.S.? B: 小题2: My uncle lives there. Then we went to New York to see my cousin. A: What was Los Angeles like? B: It was interesting. I really liked the zoo. 小题3: A: Did you see any movie stars in Los Angeles? B: No, but I saw Tom Cruise in New York. 小题4: I got his signature. A: Wow! That’s great! 小题5: B: Hmm... Oh yeah, I went to Central Park. I played baseball with my cousin and his friends.
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