For the Following Questions, Assume a Hypothetical Postsynaptic Neuron Has

question 94

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

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