XYZ For the Following Questions, Assume a Hypothetical Postsynaptic Neuron Has

question 230

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⁺

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