Pаrt B. Questiоn. Once yоu hаve determined the pоssible peаk of the neuron in part A, use that value and values for RMP (resting membrane potential) and threshold to answer the following question: If the system is at +109, and in that very instant, sodium gates are inactivated and no other gates are open, what refractory phase are we in and what phase of the action potential we are currently in?