Anatomy & Histology · single question
Which cranial nerve is affected in Bell's palsy?
Show answer and explanation
Correct answer: A. Facial nerve (CN VII)
- A. Correct. Bell's palsy is dysfunction of the facial nerve (CN VII), which controls facial expression.
- B. CN V provides facial sensation and motor to mastication, not expression.
- C. CN IX serves the pharynx/taste and posterior tongue.
- D. CN XII controls tongue movement.
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