SNS

Question 1

Where do preganglionic neurons originate?

Answer 1

from the intermediolateral columns of the thoracolumbar spinal cord

Question 2

Where do they synapse with the postganglionic fibers?

Answer 2

In paravertebral sympathetic ganglia

Question 3

Where do they exit?

Answer 3

Via the ventral root of the spinal cord

Question 4

How many pairs are there?

Answer 4

22

Question 5

What NT do they release?

Answer 5

Ach

Question 6

Where do postganglionic neurons synapse?

Answer 6

At target organs

Question 7

What NT do postganglionic neurons release?

Answer 7

NE

Question 8

What are the paravertebral ganglia?

Answer 8

Cervical, stellate, thoracic, abdominal and pelvic

Question 9

What are the prevertebral ganglia?

Answer 9

celiac, superior/inferior mesenteric, renal