【判断题】【消耗次数：1】
交感神经对心脏的影响一般表现为收缩加强，而心率减慢。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
关于心交感神经对心脏的作用，下列叙述错误的是（）
①
末梢释放的递质是去甲肾上腺素
②
心肌细胞膜上的受体是β受体
③
可导致正性变时、变传导、变力作用
④
使心室舒张末期容积增大
⑤
使心室搏出的血量增多
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generation
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mean
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