A Drug That Blocks a Presynaptic Autoreceptor

question 109

Multiple Choice

A drug that blocks a presynaptic autoreceptor

• A) reduces the release of the neurotransmitter from the axon terminal.
• B) alters the uptake of the neurotransmitter into the axon terminal.
• C) blocks the opening of ion channels in the postsynaptic membrane.
• D) increases the release of the neurotransmitter from the axon terminal.
• E) would be expected to act as an antagonist for this synapse.

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Definitions:

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