Which of the following is a passive process that acts to distribute ions evenly in neural tissue?
A) random motion, which tends to move ions down their concentration gradients
B) electrostatic pressure, which forces ions down their electrostatic gradients
C) sodium-potassium pumps, which distribute Na+ and K+ ions equally
D) both A and B
E) both A and C

Question

Quizplus · Accepted Answer

Random motion and electrostatic pressure are passive processes that help distribute ions by moving them down their concentration and electrostatic gradients, respectively.

Which of the Following Is a Passive Process That Acts