Neurons are more likely to fire when they
A) lack nodes of Ranvier.
B) are depolarized.
C) are hyperpolarized.
D) have many dendrites.

Question

Quizplus · Accepted Answer

Neurons are more likely to fire when they are depolarized, which means the membrane potential becomes less negative and closer to the threshold for firing an action potential. When a neuron receives sufficient excitatory signals to depolarize it past the threshold, it will fire an action potential.

Neurons Are More Likely to Fire When They