Skin & Nail ServicesQuestion 255 of 484

Which cranial nerve provides the main motor supply to the muscles of facial expression?

a.Facial nerve (CN VII)
b.Trigeminal nerve (CN V)
c.Optic nerve (CN II)
d.Vagus nerve (CN X)

Explanation

The facial nerve (cranial nerve VII) controls the muscles of facial expression. The trigeminal nerve (CN V) is mainly sensory for the face and motor only to the chewing muscles. Estheticians should know this when performing facial massage.

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