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Innervation of Blood Vessels

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Questions and Answers

Which pathway describes the innervation of visceral organs?

Axons enter the sympathetic chain and either ascend or descend to synapse in a paravertebral ganglion and exit on the spinal nerve

Axons enter the sympathetic chain and either ascend or descend to pass through a paravertebral ganglion at another level and exit on a splanchnic nerve to synapse in a prevertebral ganglion (correct)

Axons enter the sympathetic chain, synapse in the paravertebral ganglion, and exit on the spinal nerve at the same level

Axons enter the sympathetic chain, the signal passes through the paravertebral ganglia at the same level, and then exits on a splanchnic nerve to synapse in a prevertebral ganglion

Which pathway describes the innervation of blood vessels and glands in the skin?

Axons enter the sympathetic chain, synapse in the paravertebral ganglion, and exit on the spinal nerve at the same level (correct)

Axons enter the sympathetic chain and either ascend or descend to synapse in a paravertebral ganglion and exit on the spinal nerve

Axons enter the sympathetic chain and the signal passes through the paravertebral ganglia at the same level and exits on a splanchnic nerve to synapse in a prevertebral ganglion

Axons enter the sympathetic chain and either ascend or descend to pass through a paravertebral ganglion at another level and exit on a splanchnic nerve to synapse in a prevertebral ganglion

Which statement accurately describes the innervation of blood vessels and glands in the skin?

Axons can enter the sympathetic chain, synapse in the paravertebral ganglion, and exit on the spinal nerve at the same level (correct)

Axons can enter the sympathetic chain and either ascend or descend to pass through a paravertebral ganglion at another level and exit on a splanchnic nerve to synapse in a prevertebral ganglion

Axons can enter the sympathetic chain and either ascend or descend to synapse in a paravertebral ganglion and exit on the spinal nerve

Axons can enter the sympathetic chain and the signal can pass through the paravertebral ganglia at the same level and then exit on a splanchnic nerve to synapse in a prevertebral ganglion

Study Notes

Innervation of Visceral Organs and Skin

The innervation of visceral organs occurs through the visceral motor pathway.
The innervation of blood vessels and glands in the skin occurs through the somatic motor pathway.
The somatic motor pathway is responsible for the innervation of blood vessels and glands in the skin, controlling functions such as vasodilation and sweat gland secretion.

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Description

Test your knowledge on the innervation of blood vessels, glands, and visceral organs in the skin and body. Learn about the pathways of axons, sympathetic chain, paravertebral ganglia, and spinal nerves.