Explain a why the number of action potential generated varie

Explain a why the number of action potential generated varied with increased stimulation frequency

Solution

If this membrane potential reaches a threshold level, then the action potential is generated. If the threshold potential is not reached, no action potential is generated, this is known as “all-or-none principle.”

If the stimulus strength (intensity) is increased, the threshold potential difference can be achieved. This trigger the opening of fast sodium channels, which causes action potential generation. A sharp depolarization phase is observed once the action potential is generated.

During refractory period, the nerve fibre does not respond to the stimuli because the sodium channels are in closed state. If the refractory period is more means, the frequency of action potentials decrease and vice versa.