Based on the client's images, which cranial nerve is being assessed by the demonstrated activity?
1. Trigeminal nerve (cranial nerve V).
2. Facial nerve (cranial nerve VII).
3. Vagus nerve (cranial nerve X).
4. Hypoglossal nerve (cranial nerve XII).
Correct Answer: 4
The hypoglossal nerve (cranial nerve XII) is responsible for the movement of the tongue for swallowing, movement of food during eating, chewing, and speech. The trigeminal nerve (cranial nerve V) is responsible for facial sensation and temporal and masseter strength. The facial nerve (cranial nerve VII) is responsible for the sense of taste and facial expressions. The vagus nerve (cranial nerve X) innervates the muscles of the throat and mouth for swallowing and talking.
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