Physiology Excitatory post synaptic potential is A Depolarisation of post synaptic membrane by opening of K+ channels B Hyperpolarisation of post synaptic membrane by opening of Cl- channels C Depolarisation of post synaptic membrane by opening of Ca2+ channels D Hyperpolarisation of post synaptic membrane by opening of Na+ channel 💡 Explanation Excitatory post synaptic potential is ✓ Correct Answer: C. Depolarisation of post synaptic membrane by opening of Ca2+ channels