Question

which of the following provide motor innervation and no sensory innervation to the Velopharyngeal- nasal structures?
1. VII- Facial
2. V-Trigemnal
3. X-Vagus
4. XI- Accessory
5. IX- Glossopharyngeal

Answer 1

Answer:

5. IX Glossopharyngeal

The glossopharyngeal nerve, known as the ninth cranial nerve (CN IX), is a mixed nerve that carries afferent sensory and efferent motor information. It exits the brainstem out from the sides of the upper medulla, just anterior (closer to the nose) to the vagus nerve. The motor division of the glossopharyngeal nerve is derived from the basal plate of the embryonic medulla oblongata, while the sensory division originates from the cranial neural crest.

Explanation:

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