Multiple Choice
XYZ
For the following questions, assume a hypothetical postsynaptic neuron has three presynaptic inputs: X, Y, and Z. Also assume that presynaptic neurons Y and Z are excitatory.
-Refer to the text.What permeability changes would be expected to occur at the postsynaptic neuron when presynaptic neuron X is stimulated (Remember that the postsynaptic neuron becomes hyperpolarized by presynaptic neuron X.)
A) increased PNa+ and PK⁺
B) increased PK⁺ or PCl-
C) increased PA-
D) increased PCa²⁺
Correct Answer:

Verified
Correct Answer:
Verified
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