You cannot fire a gun softly or flush a toilet halfway. Like an action potential, gunfire and a toilet's flush follow the _____ law.
A)on-or-off
B)all-or-none
C)this-or-that
D)is-or-isn't

Question

Quizplus · Accepted Answer

The all-or-none law states that once a neuron reaches a certain threshold, the action potential fires at full strength or not at all. Similarly, the firing of a gun and the flushing of a toilet are both examples of events that occur completely or not at all.

You Cannot Fire a Gun Softly or Flush a Toilet