When the stimulus manages to transmit a nerve impulse, it is considered the threshold.
Threshold stimuli refer to the degree to which a subject reacts to a given stimulus, taking into account the intensity necessary to notice it.
Therefore, we can conclude that the threshold stimulus is one that has the minimum necessary intensity of a stimulus to trigger a response (action potential).
Learn more about the threshold stimulus here: https://brainly.com/question/6844907