This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cranial Nerves, Subject name: Anatomy
Loss of corneal reflex is due to injury of 
Select and explain. 
A. Ophthalmic division of trigeminal nerve, B. Optic nerve, C. Oculomotor nerve, D. 1 and 2.
A: Ophthalmic division of trigeminal nerve
Answer: A: Ophthalmic division of trigeminal nerve 
Explanation: Loss of corneal reflex may result due to injury of Ophthalmic division of trigeminal nerve (afferent limb) or injury of Facial nerve (efferent limb).