【单选题】【消耗次数：1】
引起自发性蛛网膜下腔出血的常见原因
①
脑脓肿
②
海绵状血管瘤
③
脑炎
④
脑外伤
⑤
脑动脉瘤
参考答案：
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下列关于蛛网膜下腔出血的描述错误的是（）
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起病急骤、炸裂样头痛、恶心及喷射性呕吐
②
头痛与脑膜刺激征2～3天后逐渐减轻或消失
③
老年人意识障碍较重，头痛、脑膜刺激征可不典型
④
儿童少年以血管畸形破裂多见
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青壮年以脑动脉瘤破裂多见
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对于蛛网膜下腔出血患者，采取降压治疗的前提是（）。
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收缩压＞140mmHg
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收缩压＞180mmHg
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收缩压＞120mmHg
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收缩压＞160mmHg
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适用于高级别肿瘤术后的患者
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适用于高级别肿瘤不能手术的患者
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小肝血管瘤与小肝癌的鉴别点主要是
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小肝癌的增强高峰持续时间短
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增强后动脉期小肝癌整个病灶强化
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平扫时血管瘤多呈等密度
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小血管瘤没有假包膜
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以上都不是
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