<prompt> ESPS is due toK influxNa effluxNa influxCa influx  <response>: Ans. c Na effluxRef: Ganong, 25th edp.122Excitatory Post Synaptic Potentials EPSPProduced if the neurotransmitter released at the synapse is excitatoryThe excitatory transmitter opens mainly Na ion channels producing depolarization 