If Neuron X Causes Hyperpolarization of Neuron Z but Neuron

Multiple Choice

If neuron X causes hyperpolarization of neuron Z but neuron Y causes depolarization of neuron Z, what change would you expect in neuron Z if it is stimulated by both X and Y simultaneously?

A) a significant increase in membrane potential
B) a significant decrease in membrane potential
C) temporal summation leading to an impulse on Z
D) simultaneous influx and efflux of cations or simultaneous influx of cations and efflux of anions
E) an increase in the resting membrane potential