Dr Ruggs Is Giving a Lecture About the All-Or-None-Law

Multiple Choice

 Dr. Ruggs is giving a lecture about the all-or-none-law. What would she tell the class?

A) That all neurons produce an action potential at the same time or none produce one.
B) That all neurons are active at the same time or none at all.
C) That all ion channels open at the same time or none at all.
D) That after reaching threshold, the amplitude and velocity of the action potential is the same each time.