Which cranial nerve functions in vocalization and swallowing? VII. XII. V. X.
Question
Which cranial nerve functions in vocalization and swallowing?
- VII.
- XII.
- V.
- X.
Solution
Identification of the Cranial Nerve
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Question Analysis: The question asks for the cranial nerve that is responsible for vocalization and swallowing from the given options: VII, XII, V, and X.
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Cranial Nerve Functions:
- VII (Facial nerve): Primarily responsible for facial expressions, taste sensation, and some functions of salivation and tear production.
- XII (Hypoglossal nerve): Primarily responsible for tongue movements involved in swallowing and speech.
- V (Trigeminal nerve): Mainly responsible for sensation in the face and motor functions such as biting and chewing.
- X (Vagus nerve): Involved in autonomic functions, including vocalization (through the innervation of the larynx) and swallowing.
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Conclusion: The cranial nerve that functions in both vocalization and swallowing is the X (Vagus nerve).
Final Answer
The cranial nerve that functions in vocalization and swallowing is X (Vagus nerve).
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