This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea, Subject name: Ophthalmology
Afferent pathway of corneal reflex is by- 
Select and explain. 
A. Trigeminal nerve, B. Facial nerve, C. Oculomotor nerve, D. Abducens
A: Trigeminal nerve
Answer: A: Trigeminal nerve 
Explanation: Ans. is 'a' i.e., Trigeminal nerve Corneal reflex* AFFERENT-the nasociliary branch of the ophthalmic branch (V1) of the 5th cranial nerve (trigeminal nerve) sensing the stimulus on the cornea, lid, or conjunctiva.* EFFERENT-the temporal and zygomatic branches of the facial nerve initiating the motor response* NUCLEUS-the centre in the pons of brain stem.