With regard to the autonomic nervous system:
a. the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves
b. the preganglionic sympathetic fibres are usually longer than preganglionic parasympathetic fibres
c. acetylcholine is the neurotransmitter at the ganglia of both sympathetic and parasympathetic nervous
system
d. botulin toxin blocks acetylcholine receptors

1 Answer

Answer :

the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves

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