At an Excitatory Synapse

question 102

Multiple Choice

At an excitatory synapse,

• A)There is increased permeability of the postsynaptic cell to both Na⁺ and K⁺
• B)A small hyperpolarization occurs
• C)An action potential in the presynaptic neuron always causes an action potential in the postsynaptic neuron
• D)Both there is increased permeability of the postsynaptic cell to both Na⁺ and K⁺ and a small hyperpolarization occurs are correct
• E)None of the choices are correct

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