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【单选题】
Which of the following electrical events is characteristic of inhibitory synaptic interactions?A.
A neurotransmitter agent that selectively opens ligand-gated chloride channels is the basis for an inhibitory postsynaptic potential
B.
Because the Nernst potential for chloride is about -70 mV, chloride ions tend to move out of the cell along its electrochemical gradient
C.
A neurotransmitter that selectively opens potassium channels will allow potassium to move into the cell
D.
An increase in the extracellular sodium concentration usually leads directly to an inhibitory postsynaptic potential
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