11. Nervous Tissue and Nervous System
Properties of Graded and Action Potentials
Multiple Choice
Multiple ChoiceWhich of the following statements concerning inhibitory synapses (IPSPs) is correct?
A
The postsynaptic membrane becomes less permeable to potassium.
B
The postsynaptic membrane becomes less permeable to sodium.
C
The postsynaptic membrane becomes more permeable to potassium and chloride.
D
The permeability of the postsynaptic membrane to sodium, potassium, and chloride is not changed.
E
Channels allow both sodium and potassium ions to diffuse simultaneously through the membrane.
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