题目内容
酚妥拉明兴奋心脏的机理是
2021-12-15
A.阻断突触后膜α2受体增加NA释放
B.反射性兴奋交感神经和减少NA释放
C.阻断突触前膜α2受体和减少NA释放
D.反射性兴奋交感神经和增加NA释放
E.反射性兴奋迷走神经和增加NA释放
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