According to the all-or-none principle, what would happen if a cell were depolarized twice the normal amount needed to produce an action potential?

According to the all-or-none principle, the thing that would happen if a cell were depolarized twice the amount needed to produce an action potential would be : Nothing would happen because the cell must be polarized to fire.

all-or-none principle stated that the strength by which muscle fiber respond to a stimulus is independent to  the strength of the stimulus.

Sorry i dont understand the question can you rephase it?

The correct answer is "hydrogen".