A) adrenergic
B) cholinergic
C) both (a) and (b)
D) none of these
Correct Answer: A
Solution :
The post-ganglionic nerve fibres of sympathetic. nervous system are adrenergic i.e., they release the neurotransmitter. nor-adrenaline at their termination. The sympathatic nerves stimulate the adrenal glands to secrete adrenaline. The post- ganglionic para-sympathatic fibers are cholinergic i.e., they release a chemical substance acetyl choline, a neurotransmitter, at their endings for the transmission of nerve empulses.
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