A、<p><span style="font-size: 10.5pt; font-family: 宋体;">膜在安静时对<span lang="EN-US">K<sup>+</sup></span>通透性大</span></p>
B、<p><span style="font-family: 宋体; font-size: 14px; ">膜在安静时对</span><span lang="EN-US" style="font-family: 宋体; font-size: 14px; ">Na<sup>+</sup></span><span style="font-family: 宋体; font-size: 14px; ">通透性大</span></p>
C、<p><span lang="EN-US" style="font-size: 10.5pt; font-family: 宋体;">Na<sup>+</sup></span><span style="font-size: 10.5pt; font-family: 宋体;">、<span lang="EN-US">K<sup>+</sup></span>易化扩散的结果</span></p>
D、<p><span style="font-size: 10.5pt; font-family: 宋体;">膜上<span lang="EN-US">Na<sup>+</sup>-K<sup>+</sup></span>泵的作用</span></p>
E、<p><span style="font-size: 10.5pt; font-family: 宋体;">膜兴奋时对<span lang="EN-US">Na<sup>+</sup></span>通透性增加</span></p>