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All autonomic output originates in the central nervous system.

A) True
B) False

Correct Answer

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A possible explanation for the effect of caffeine is that it blocks the receptor for a neuromodulator in the brain called __________,which inhibits ACh release by cholinergic neurons.


A) glycine
B) dopamine
C) serotonin
D) melatonin
E) adenosine

F) A) and B)
G) A) and C)

Correct Answer

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The adrenal medulla is a modified sympathetic ganglion.

A) True
B) False

Correct Answer

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Most preganglionic fibers synapse with postganglionic fibers in the dorsal root ganglia.

A) True
B) False

Correct Answer

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The enteric nervous system controls the digestive system with no extrinsic control necessary.

A) True
B) False

Correct Answer

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