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If a drug blocks an autoreceptor, what is the most likely outcome?

A. The presynaptic neuron becomes more excitable.
B. The synthesis of neurotransmitters will go down.
C. The presynaptic neuron becomes less excitable.
D. The synthesis of neurotransmitters will go up.



Answer :

If a drug blocks an autoreceptor, the most likely outcome is:

D. The synthesis of neurotransmitters will go up.

Autoreceptors typically act as feedback mechanisms to regulate the release of neurotransmitters. Blocking these autoreceptors would result in less inhibition of neurotransmitter release, leading to an increase in neurotransmitter synthesis and release.

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