Question

a postganglionic neuron: select an answer and submit. for keyboard navigation, use the up/down arrow keys to select an answer. a originates at the brain stem b often arises at terminal ganglia c terminates at the sympathetic chain d are part of a somatic reflex arc unanswered

Answer 1

A postganglionic neuron often originates at the terminal ganglia. Therefore, option B 'often arises at terminal ganglia' holds the correct answer.

A postganglionic neuron is a nerve cell that locates distal or posterior to a ganglion. The postganglionic neuron is the second neuron in the two-neuron chain of the ANS that resides in the automatic ganglion and whose axon synapses with the effector. Postganglionic neurons extend from the cell body to an effector, such as gland cardiac muscle, or smooth muscle.

Most postganglionic neurons usually release acetylcholine onto target organs, but some release nitric oxide.

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