【单选题】【消耗次数：1】
15.β受体阻断剂一般不用于( )
①
心律失常
②
心绞痛
③
青光眼
④
高血压
⑤
支气管哮喘
参考答案：
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【单选题】
支气管哮喘的本质是（）
①
一种自身免疫疾病
②
气道慢性炎症
③
支气管平滑肌可逆性痉挛
④
支气管平滑肌内β<sub> 2</sub> 受体功能低下
⑤
肥大细胞膜上M胆碱能受体功能亢进
随机题目
【单选题】
由于幼儿的肌肉中水分多，蛋白质及糖原少，不适合他们的运动项目是( )。
①
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②
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③
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④
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