Local potentials are categorized as either receptor potentials or synaptic potentials,depending on whether they are generated at a peripheral receptor of a sensory neuron or at a postsynaptic membrane.These local potentials can only spread passively and therefore are confined to a small area of the membrane.

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Local Potentials

Question 4

Multiple Choice

Local potentials:

A) Are either receptor or synaptic potentials.
B) Spread passively only a short distance along the cell membrane.
C) Result from stimulation of sensory receptors or from the binding of a neurotransmitter with chemical receptor sites on a postsynaptic membrane.
D) Both A and B
E) A,B,and C

Correct Answer: