11 Questions
Which part of the sympathetic nervous system is active in conditions of stress and emergencies?
Sympathetic chain
From which segments do pre ganglionic fibers of the sympathetic system arise?
Thoracic segments
What is the role of post ganglionic fibers in the sympathetic system?
Carrying axons to different parts of the body
How many interconnected ganglia form each sympathetic chain?
21-23
Which function is NOT associated with the sympathetic nervous system?
Constriction of blood vessels
Which part of the body does the parasympathetic nervous system primarily affect?
Gastrointestinal tract
Where do pre-ganglionic fibers that contribute to the parasympathetic system arise from?
Cranial nerves 3, 7, 9, 10
Where are parasympathetic ganglia typically located?
Close to the parts to be innervated
Which fibers leave the ganglia to reach their targets in the parasympathetic system?
Post-ganglionic fibers
What is a function of the parasympathetic system?
Stimulation of gland secretion
Which of the following sites do not contribute pre-ganglionic fibers to the parasympathetic system?
Cranial nerves 5, 8, 12
This quiz covers the anatomical and physiological classifications of the peripheral nervous system, focusing on the sympathetic and parasympathetic divisions. It also touches upon the functions and components of the sympathetic nervous system.
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