C. Patient A complains of brief episodes of burning facial pain. Episodes last for 10-15 seconds at a time and occur about 5-6 times per day. Pain radiates from the lateral surface of the cheek to the lower eyelid, nose, upper teeth, and upper lip. The pain is not relieved by over-the-counter nonsteroidal anti-inflammatories. What cranial nerve(s) is/are affected? Explain your answer.
D. Patient B is an elderly male who suffers from diabetes mellitus, Type II, and high blood pressure. Patient B complains of a sudden paralysis of his left eye. He cannot elevate, depress, or adduct his left eye. Upon visual examination, it is obvious that Patient B's left eye is 'pointed' down and laterally (out), and that his left upper eyelid droops. What cranial nerve(s) is/are affected? Explain your answer.