题目内容

下列对心交感神经的叙述，错误的是

A. 节后纤维释放的递质是去甲肾上腺素
B. 可导致心率加快
C. 可导致房室交界的传导加快
D. 可导致心房和心室肌收缩力加强
E. 肾上腺素受体可阻断其作用

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