A threshold stimulus applied to an excitable membrane is one that is just sufficient to
A)trigger an excitatory postsynaptic potential.
B)cause a change in membrane potential.
C)trigger an action potential.
D)be conducted to the axon hillock.
E)depolarize a dendrite.

Question

Quizplus · Accepted Answer

A threshold stimulus is the minimum amount of stimulation required to trigger an action potential in an excitable membrane. Therefore, the correct answer is C - trigger an action potential.

A Threshold Stimulus Applied to an Excitable Membrane Is One