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Author Question: Many of the axons that use serotonin as a transmitter originate from the A) substantia nigra. B) ... (Read 167 times)

penguins

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Many of the axons that use serotonin as a transmitter originate from the
 
  A) substantia nigra.
  B) red nucleus.
  C) axonal varicosities.
  D) dorsal raphe nucleus.
  E) ventral tegmental area.

Question 2

The significance attached to glutamate, GABA, and glycine is that these are
 
  A) involved in Parkinson's disease.
  B) known to be solely inhibitory in the PNS.
  C) the predominant neuromodulators in the CNS.
  D) the most common neurotransmitters in the CNS.
  E) the major excitatory neurotransmitters in the PNS.



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dantucker

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Answer to Question 1

Answer: D
Rationale: Many of the axons that use serotonin as a transmitter originate from the dorsal raphe nucleus.

Answer to Question 2

Answer: D
Rationale: The significance attached to glutamate, GABA, and glycine is that these are the most common neurotransmitters in the CNS.





 

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