This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Paralysis of upper eyelid is due to paralysis of: \nSelect and explain. \nA. III, B. IV, C. V, D. VII', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Nerve Supply of upper lid\nThe upper eyelid is supplied by the lacrimal, supraorbital,\xa0 supratrochlear and infratrochlear\xa0 nerves\nfrom lateral to medial side.\xa0\nThe lower\xa0 eyelid is supplied by the infraorbital and infratrochlear\xa0 nerves.\nPtosis or drooping of upper eyelid due to paralysis of voluntary\xa0 part of levator\xa0 palpebrae\xa0 superiorismuscle (supplied by occulomotor nerve).', 'role': 'assistant'}]