In facial palsy the muscle which is paralysed is_________________?
Correct answer: B. Orbicularis oculi
- A. Levator palpebrae superioris
- B. Orbicularis oculi
- C. Constrictor pupili
- D. Dilator pupili
Explanation
Facial palsy damages the facial nerve, paralysing muscles of facial expression such as orbicularis oculi and causing inability to close the eyelid. The other listed muscles are supplied by autonomic or oculomotor pathways rather than the facial nerve.
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