Know absolute and relative refractory period

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relative refractory membrane response

MEMBRANE CAN RESPOND TO FURTHER STIMULATION IF STIMULUS IS STRONG ENOUGH

absolute refractory membrane response

NO MATTER HOW STRONG, THE MEMBRANE WONT RESPOND

ABSOLUTE REFRACTORY PERIOD

ABSOLUTELY NO NEW Action Potential CAN HAPPEN.

absoulute refractory happens when?

DURING DEPOLARIZATION

relative refractory happens when?

DURING REPOLARIZATION

RELATIVE REFRACTORY PERIOD

WELL, MAYBE CAN HAVE A NEW Action Potential ...HAS TO BE AT -55MV AND BE STRONG STIMULUS.

absolute refractory channels

WHEN SODIUM CHANNELS ARE STILL OPEN

relative refractory channels

WHEN SODIUM CHANNELS CLOSED, BUT POTASSIUM CHANNELS OPEN


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