Q. Regarding acetylcholine: (Solved)
1. it is oxidised to choline and acetate by acetylcholinesterase
2. nicotinic receptors are blocked by atropine
3. it is the main excitatory transmitter in the spinal cord
4. it is secreted by the adrenal medulla
5. tetanus blocks its release at the NMJ
- e. tetanus blocks its release at the NMJ