Which set of details correctly identifies a series of events in a sympathetic pathway?

thoracolumbar origin, long preganglionic fiber, NE release at ganglion, short postganglionic fiber, NE release at effector

craniosacral origin, short preganglionic fiber, ACh release at ganglion, long postganglionic fiber, ACh release at effector

thoracolumbar origin, short preganglionic fiber, ACh release at ganglion, long postganglionic fiber, NE release at effector

craniosacral origin, long preganglionic fiber, ACh release at ganglion, short postganglionic fiber, ACh release at effector

Question

Preston

Biology

3 September, 21:10

Which set of details correctly identifies a series of events in a sympathetic pathway?

thoracolumbar origin, long preganglionic fiber, NE release at ganglion, short postganglionic fiber, NE release at effector

craniosacral origin, short preganglionic fiber, ACh release at ganglion, long postganglionic fiber, ACh release at effector

thoracolumbar origin, short preganglionic fiber, ACh release at ganglion, long postganglionic fiber, NE release at effector

craniosacral origin, long preganglionic fiber, ACh release at ganglion, short postganglionic fiber, ACh release at effector

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Answers (1)

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River Garner · Answer 1

Sympathetic nervous system accelerates the heart rate, decrease movement of the large intestine, and perspiration. The sympathetic pathway is arranged in sequence which is: craniosacral origin, short preganglionic fiber, ACh release at ganglion, long postganglionic fiber, ACh release at effector. The identical pathways of the axon in sympathetic preganglionic are ventral root, spinal nerve, ramus commucans, and sympathetic trunk.