Head and Neck Anatomical Structures · USMLE Step 1

A patient develops facial paralysis after parotid gland surgery. Which movement will be most compromised?

  1. Elevation of the mandible
  2. Sensation to the cheek
  3. Closing the eyelids
  4. Tongue protrusion
Show answer and explanation

Correct answer: Closing the eyelids

The facial nerve controls orbicularis oculi for eyelid closure. Injury during parotid surgery can cause inability to close the eye.

Difficulty: Medium Question 11 of 20

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