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Neuroscience

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Functions of the Diffuse Modulatory System

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Regulation of neural activity requires neurons to have a widespread influence on other neurological centers. This is the "job" of the diffuse modulatory system.

Choose all of the following that are INCORRECT statements in regard to the diffuse neuromodulatory system.

A

Serotonergic cell bodies are located in the dorsal raphe nuclei.

B

Cell bodies of dopaminergic neurons of the diffuse neuromodulatory system may be located in the substantia nigra.

C

All neurotransmitters of the diffuse neuromodulatory system are synthesized from monoamines.

D

Some neurons of the diffuse neuromodulatory system may make 250,000+ synapses.

E

Acetylcholine functions as a neurotransmitter within the autonomic neural connections and therefore has no function between diffuse modulatory system neural centers.