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【单选题】
兴奋性突触后电位的形成,是由于突触后膜对哪些()离子通透性增加所致
A.
Na+、K+，尤其是K+
B.
K+、Cl-，尤其是Cl-
C.
Na+、K+，尤其是Na+
D.
K+、Cl-，尤其是K+
E.
Ca2+、K+、Cl-，尤其是Ca2+
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pH7.2~7.6
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