Author Question: Which of the following concepts does the all-or-none law describe? A) All dendrites must be ... (Read 72 times)

jeatrice · **on:** Jun 22, 2018

Which of the following concepts does the all-or-none law describe?

A) All dendrites must be hyperpolarized before a neuron fires.
B) All neurons in a nerve fire or none of them fires.
C) The size of an action potential does not depend on the amplitude of the stimulus that started it.
D) The frequency at which a neuron fires is independent of the intensity of the stimulus.

Question 2

An action potential occurs at a specific amplitude for that neuron, regardless of the stimulus intensity or how much higher than threshold the stimulus is; this is known as the:

A) Principle of mass action
B) All-or-none law
C) Rate law
D) Law of equipotentiality