Sphenoidal air sinus is supplied by ________ nerve?
Correct answer: A. Posterior ethmoidal nerve
- A. Posterior ethmoidal nerve
- B. Posterior superior alveolar nerve
- C. Sphenoidal nerve
- D. Infratemporal nerve
Explanation
The posterior ethmoidal nerve, a branch of the ophthalmic division of the trigeminal nerve, supplies the sphenoidal air sinus. The other listed nerves belong to different regions or are not recognized nerves supplying this sinus.
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