Which of the following statement concerning synthesis and storage of the autonom
ID: 272184 • Letter: W
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.