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Questions and Answers
Which of the following cranial nerves does NOT have pre-ganglionic cell bodies for the parasympathetic nervous system?
Which of the following cranial nerves does NOT have pre-ganglionic cell bodies for the parasympathetic nervous system?
- Cranial nerve VII
- Cranial nerve X
- Cranial nerve IX
- Cranial nerve III (correct)
Where are the pre-ganglionic cell bodies located for the parasympathetic nervous system?
Where are the pre-ganglionic cell bodies located for the parasympathetic nervous system?
- In the sacral spinal cord
- In the spinal cord
- In the associated ganglia
- In the brainstem nuclei (correct)
Which component of the parasympathetic nervous system is longer, the pre-ganglionic or post-ganglionic component?
Which component of the parasympathetic nervous system is longer, the pre-ganglionic or post-ganglionic component?
- Both components are equal in length
- Post-ganglionic component
- Pre-ganglionic component (correct)
- It depends on the specific organ
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Study Notes
Cranial Nerves and Parasympathetic Nervous System
- Cranial nerve I (Olfactory) does NOT have pre-ganglionic cell bodies for the parasympathetic nervous system.
Pre-ganglionic Cell Bodies
- Pre-ganglionic cell bodies for the parasympathetic nervous system are located in the CNS (Central Nervous System), specifically in the brainstem.
Components of the Parasympathetic Nervous System
- The pre-ganglionic component of the parasympathetic nervous system is longer than the post-ganglionic component.
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