This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brainstem, cerebellum and ventricles, Subject name: Anatomy
[{'content': 'Findings of trigeminal nerve injury include - \nSelect and explain. \nA. Pupillary dilation, B. Loss of blinking reflex of eye, C. Normal jaw reflex, D. Ptosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Shining a bright light into one eye causes reflex closure of both eyes the blink reflex ophthalmic division of trigeminal nerve. Pupillary dilation and ptosis is seen in 3rd nerve injury In trigeminal nerve injury their is loss of jaw reflex which is mediated by mandibular nerve', 'role': 'assistant'}]