Sutures and Wound Repair/ General Surgery (ABSA) Practice Test

Question: 1 / 400

What critical structure must be identified during a parotidectomy?

Cranial Nerve VIII

Cranial Nerve VII

During a parotidectomy, the critical structure that must be identified is Cranial Nerve VII, also known as the facial nerve. This nerve is responsible for the movement of facial muscles, as well as providing taste sensations from the anterior two-thirds of the tongue and contributing to the secretion of salivary glands other than the parotid.

The proximity of the facial nerve to the parotid gland makes it particularly vulnerable during surgery. If the nerve is inadvertently injured, it can result in significant functional and aesthetic complications, including facial weakness, asymmetry, and loss of taste. Therefore, careful identification and preservation of the facial nerve are paramount during the procedure to avoid these potential outcomes.

While other cranial nerves play important roles in various functions, they are not the primary concern during a parotidectomy. Cranial Nerve VIII is primarily involved in hearing and balance, Cranial Nerve IX is responsible for functions related to the throat and taste, and Cranial Nerve VI is associated with eye movement. None of these structures poses the same level of risk or need for preservation as Cranial Nerve VII during a parotidectomy.

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Cranial Nerve IX

Cranial Nerve VI

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