After Serotonin or One of the Catecholamine Transmitters Stimulates the Postsynaptic

question 122

Multiple Choice

After serotonin or one of the catecholamine transmitters stimulates the postsynaptic receptor, most of the transmitter molecules:

• A) remain on the receptor until other neurotransmitters replace them.
• B) are broken into components while still attached to the postsynaptic cell.
• C) are metabolized by the postsynaptic cell as a source of energy.
• D) are reabsorbed by the presynaptic cell.