A Particular Neurotransmitter

question 227

Multiple Choice

A particular neurotransmitter:

• A)always communicates either an excitatory or inhibitory effect.
• B)can have different effects, depending upon the receptor site to which it attaches.
• C)can be located in the central nervous system or the peripheral nervous system but not both.
• D)can attach to any available receptor site on adjacent neurons.

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