Which of the following statement concerning synthesis and storage of the autonom

Question

Which of the following statement concerning synthesis and storage of the autonomic nervous system neurotransmitters is TRUE. Answers A-D Both Acetylcholine and Norepinephrine are stored in synaptic vesicles in the presynaptic nerve terminal. Epinephrine is converted to Norepinephrine by the enzyme phenylethanolamine-N-methyltransferase ( CThe rate-limiting step in the synthesis of Acetylcholine is the activity of Choline acetyltransferase. D The release of both Acetylcholine and Norepinephrine is dependent on the influx of extracellular sodium ions (Na+) into the nerve terminal.

Explanation / Answer

The correct statement is as follows:

A. Both acetylcholine and norepinephrine are stored in synaptic vesicles in the presynaptc nerve terminal.

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