What is a major determinant of the resting membrane potential necessary for transmission of nerve impulses?
A)The ratio between intracellular Na⁺ and extracellular sodium
B)The ratio between intracellular K⁺ and extracellular potassium
C)The ratio between intracellular Na⁺ and extracellular K⁺
D)The ratio between intracellular K⁺ and extracellular Na⁺

Question

Quizplus · Accepted Answer

The ratio of K⁺ in the ICF to K⁺ in the ECF is the major determinant of the resting membrane potential, which is necessary for the transmission and conduction of nerve impulses, maintenance of normal cardiac rhythms, and skeletal and smooth muscle contraction.

What Is a Major Determinant of the Resting Membrane Potential