Which cranial nerve carries preganglionic fibers to the submandibular ganglion?
Understand the Problem
The question is asking which cranial nerve is responsible for carrying preganglionic fibers to the submandibular ganglion. To answer this, we need to identify the correct cranial nerve from the given options.
Answer
CN VII (Facial Nerve)
The final answer is CN VII (Facial Nerve)
Answer for screen readers
The final answer is CN VII (Facial Nerve)
More Information
The facial nerve (CN VII) provides preganglionic parasympathetic fibers to the submandibular ganglion via the chorda tympani branch, which travels with the lingual nerve.
Tips
A common mistake is to confuse the facial nerve with other cranial nerves such as the trigeminal nerve, which is associated with many important sensory and motor functions in the head but does not carry the preganglionic fibers to the submandibular ganglion.
Sources
- Preganglionic parasympathetic nerve fibers - PMC - pmc.ncbi.nlm.nih.gov
- Submandibular ganglion - Wikipedia - en.wikipedia.org
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