A 安静时K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12690072_0_2.gif">比Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12690072_0_3.gif">更易透过细胞膜 B
兴奋时Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12690072_0_4.gif">比K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12690072_0_5.gif">更易透过细胞膜 C
K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12690072_0_6.gif">的不断外流和Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12690072_0_7.gif">的不断内流 D
膜上载体和通道蛋白的共同作用 E
膜上Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12690072_0_8.gif">-K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12690072_0_9.gif">-ATP酶的活动