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

Question

Quizplus · Accepted Answer

The phrase "all-or-none" is commonly used to describe the principle of an action potential, where the neuron either fires at full strength or not at all. This also applies to the firing of a gun or the flushing of a toilet, as both actions are either fully performed or not at all. Therefore, the best choice is D, "all-or-none."

You Cannot Fire a Gun Softly or Flush a Toilet