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: Pediatrics
[{'content': 'The most common ophthalmic effect of diptheria is - \nSelect and explain. \nA. Ptosis, B. Total ophthalmoplegia, C. Isolated ocular palsies, D. Ophthalmoplegia externa', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Isolated ocular palsies Complications o Obstruction of the respiratory tract by pseudomembrane o Myocarditis Polyneuropathy Post diphtheritic paralysis q Occurs in the 3rd or 4th week o Palatine and pupillary paralysis is characteristic Spontaneous recovery is the rule. Pneumonia o Other less common complications are renal failure, encephalitis, cerebral infarction, pulmonary embolism and bacteremia or endocarditis.", 'role': 'assistant'}]