Physiology Inhibitory postsynaptic potentials (IPSPs) commonly occur at which of the following sites A The anterior gray horn of the cord, dorsal root ganglia, and muscle endplates B The anterior gray horn of the cord and dorsal root ganglia, but not at muscle endplates C The anterior gray horn of the cord, but not at dorsal root ganglia or muscle endplates D The anterior gray horn of the cord and muscle endplates, but not at dorsal root ganglia 💡 Explanation Inhibitory postsynaptic potentials (IPSPs) commonly occur at which of the following sites ✓ Correct Answer: C. The anterior gray horn of the cord, but not at dorsal root ganglia or muscle endplates