Resting membrane potential is maintained by
(a) Hormones
(b) Neurotransmitters
(c) Ion pumps
(d) None of the above
Ans. The answer is the option (c) Ion pumps
Explanation: In a resting neuron, there exist concentration gradients across the resting membrane for Na+ & K+. The ionic gradients are maintained by Ion pumps (Na-K pumps).