自发性蛛网膜下腔出血最常见的原因是 A．脑动静脉畸形 B．动脉

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问题单项选择题

自发性蛛网膜下腔出血最常见的原因是

A．脑动静脉畸形
B．动脉硬化
C．烟雾病
D．脑动脉瘤
E．颅内肿瘤卒中

答案

参考答案：D

解析：[解题思路] 临床上蛛网膜下腔出血最多见的原因是脑动脉瘤，其次为脑动静脉畸形。

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A．Yes, we shall.

B．No, we shan’t.

C．Let’s go.

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B. the tall building collapsed

C. an emergency measure was taken

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