For the Following Questions, Assume a Hypothetical Postsynaptic Neuron Has

Multiple Choice

For the following questions, assume a hypothetical postsynaptic neuron has three presynaptic inputs: neurons X, Y, and Z. Also, assume neuron Z is excitatory. What changes would you expect at the postsynaptic neuron when neuron X is stimulated? (Remember that the postsynaptic neuron becomes hyperpolarized by neuron X.)

A) increased P_Na+ and P_K+
B) increased P_K+ or P_Cl-
C) increased P_A-
D) increased P_Ca2+
E) none of these