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Questions and Answers
Where do the parasympathetic nerves leave the CNS from?
Where do the parasympathetic nerves leave the CNS from?
- Cranial and sacral regions (correct)
- Lumbar and cervical regions
- Cervical and coccygeal regions
- Thoracic and lumbar regions
Where do the sympathetic nerves leave the CNS from?
Where do the sympathetic nerves leave the CNS from?
- Thoracic and lumbar regions (correct)
- Cervical and coccygeal regions
- Lumbar and cervical regions
- Cranial and sacral regions
What is the function of the enteric nervous system?
What is the function of the enteric nervous system?
- Responsible for sensory perception in the skin
- Responsible for peristalsis and movement of food and fecal matter (correct)
- Responsible for controlling heart rate and blood pressure
- Responsible for regulating body temperature
What is the role of a ganglion in the autonomic nervous system?
What is the role of a ganglion in the autonomic nervous system?
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Study Notes
Autonomic Nervous System
- Parasympathetic nerves leave the CNS from cranial nerves III, VII, IX, X, and sacral nerves S2-S4.
- Sympathetic nerves leave the CNS from thoracic nerves T1-L2.
Enteric Nervous System
- The enteric nervous system is often referred to as the "little brain" of the gastrointestinal system.
- It is responsible for controlling the function of the gastrointestinal system, including the movement of food, secretion of digestive enzymes, and blood flow.
Ganglia in the Autonomic Nervous System
- A ganglion is a cluster of nerve cells outside the CNS that acts as a relay station for nerve impulses.
- In the autonomic nervous system, ganglia receive and process information from the CNS and transmit it to effector organs, such as the heart, blood vessels, and glands.
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Description
Test your knowledge of the autonomic nervous system with this quiz. Learn about the three divisions - parasympathetic, sympathetic, and enteric - and understand their functions and characteristics.
