In Which Way Are the Sympathetic and Parasympathetic Divisions of the Autonomic

question 5

Multiple Choice

In which way are the sympathetic and parasympathetic divisions of the autonomic system similar?

• A) Both utilize two neurons per message.
• B) In both, the preganglionic neuron is shorter than the postganglionic neuron.
• C) Both use norepinephrine as their neurotransmitter.
• D) Both arise from the sacral spinal nerves.
• E) Both are associated with the relaxed state (rest-and-digest).

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Definitions:

Celiac Trunk

A major artery that supplies blood to the stomach, spleen, liver, and other parts of the abdomen.

Lumen

The internal space or cavity of a tubular structure, such as a blood vessel or the intestine.

Tunica Adventitia

The tunica adventitia is the outermost layer of a blood vessel, consisting of connective tissue, that provides structural support and protection.

External Elastic Lamina

The outermost layer of elastic tissue found in the walls of arteries, contributing to the elasticity and strength of the blood vessels.