www Inhtt cn Resting Potential 影响RP因素: ①胞内、外的[K+ [K与〖K的差值决定E [K+ ②膜对K、Na通透性: K的通透性↑,则RP↑ Na+的通透性↑,则RP↓ ③Na+K+泵的活动水平 辽宁卫生人才培训网影响RP因素: ① 胞内、外的[K+]: ∵[K+]o与 [K+] i的差值决定EK, ∴[K+]o ↑ → EK ↓ ② 膜对K + 、Na+通透性: K +的通透性↑,则RP↑ Na+的通透性↑,则RP↓ ③ Na+-K +泵的活动水平 Resting Potential