【单选题】【消耗次数：1】
解热镇痛药的镇痛作用机制是
①
阻断传入神经的冲动传导
②
降低感觉纤维感受器的敏感性
③
阻止炎症时PG的合成
④
激动阿片受体
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相关题目
【单选题】
有关解热镇痛药镇痛作用的描述，不正确的是
①
仅有中度镇痛作用
②
对各种严重创伤性剧痛无效
③
对牙痛、神经痛、关节痛效果较好
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对胃痉挛疼痛效果较好
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不产生欣快感与成瘾性
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对解热镇痛药叙述正确的是
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能降低发热者体温
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抑制外周前列腺素合成而发挥解热作用
③
对各种严重创伤性剧痛有效
④
镇痛部位主要在中枢
⑤
对体温的影响与氯丙嗪相同
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