MRCP UK EXAMINATIONS

Detailed explanation-1: -The facial nerve has five main branches, although the anatomy can vary somewhat between individuals. The branches are, from top to bottom: frontal (or temporal), zygomatic, buccal, marginal mandibular, and cervical.

Detailed explanation-2: -The masseteric nerve is a nerve in the cheek which innervates the masseter, a chewing muscle. In the 5-7 nerve transfer, a branch of the masseteric nerve is connected to a branch of the facial nerve which activates the smile muscles. After the nerves heal, patients can smile by “biting down.” Dr.

Detailed explanation-3: -The facial nerve supplies motor branches to the muscles of facial expression. This nerve is therefore tested by asking the patient to crease up their forehead (raise their eyebrows), close their eyes and keep them closed against resistance, puff out their cheeks and reveal their teeth.

Detailed explanation-4: -The facial nerve is the seventh cranial nerve (CN VII). It arises from the brain stem and extends posteriorly to the abducens nerve and anteriorly to the vestibulocochlear nerve.