Sympathetic Nerve Pathways

Question 1

What do the spinal nerve pathways innervate?

Answer 1

Skin and sweat glands

Question 2

What do the postsynaptic sympathetic nerve pathways innervate?

Answer 2

Thoracic viscera (heart and lungs), neck, (esophagus), face

Question 3

What do the splanchic nerve pathways innervate?

Answer 3

Abdominal viscera (small intesting, bladder)

Question 4

What does the adrenal medulla pathway innervate?

Answer 4

Adrenal medulla of the kidney

Question 5

What are the ganglia associate with the postsynaptic sympathetic nerve pathway?

Answer 5

Superior cervical ganglia
Middle cervical ganglia
Inferior cervical ganglia

Question 6

What do nerves synapsing in Superior cervical ganglion innervate?

Answer 6

Salivary glands, blood vessels of head, sweat glands of head, eye (iris), arrector of muscle hairs of head

Question 7

What do nerves synapsing in inferior and middle cervical ganglion innervate?

Answer 7

Thoracic viscera (heart and lungs), neck (esophagus)

Question 8

Where do each pathways synapse?

1. spinal
2. postsympathetic
3. splanchnic
4. adrenal medulla

Answer 8

1. paravertebral ganglia (sympathetic trunk)
2. paravertebral ganglia (sympathetic trunk)
3. prevertebral ganglia
4. signal goes directly to effector organ

Question 9

Types of sympathetic nerve pathways

Answer 9

Spinal nerve pathways
Postsynaptic sympathetic nerve pathways
Splanchic nerve pathways
Adrenal medulla pathway