BOC Athletic Training Practice Exam 2025 – Complete Prep Guide

Question: 1 / 880

Which cranial nerve is primarily associated with facial sensation and mastication?

Trigeminal nerve

The trigeminal nerve is the cranial nerve primarily responsible for facial sensation and mastication. It is the fifth cranial nerve and has three major branches: the ophthalmic, maxillary, and mandibular. Each branch is responsible for conveying sensory information from different regions of the face, allowing an individual to feel touch, pain, and temperature on the skin of the face.

In addition to its role in sensation, the trigeminal nerve also plays a crucial part in mastication, which is the process of chewing. The mandibular branch of the trigeminal nerve innervates the muscles involved in chewing, enabling the proper movement of the jaw for food processing.

Understanding the specific functions of cranial nerves is essential for recognizing how they contribute to both sensory and motor functions in the face, and the trigeminal nerve's dual role makes it particularly significant in these areas.

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Hypoglossal nerve

Vagus nerve

Accessory nerve

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