This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
[{'content': 'All are complication of diphtheria, Except: \nSelect and explain. \nA. Myocarditis, B. Ocular muscle palsy, C. Cerebellar ataxia, D. Hepatic failure', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' Hepatic failure (Ref.: Harrison, 17/e p 892 & 16/e, p 834 (15/e, p 911); Nelson, 16/e, p 818-819).It is confirmed that hepatic failure does not occur in diphtheria, but there is confusion regarding cerebellar ataxia. Cerebellar ataxia is not mentioned anywhere.CNS complications of diphtheria infection are encephalitis* and cerebral infarction*.I am not sure if ataxia can occur due to this. Moreover diphtheria infection is not mentioned in the list of infections causing ataxia.Other complications of diphtheria infection:Myocarditis* and cardiomyopathy*Toxic neuropathy which includesBulbar neuritis can cause palatal and pharyngeal paralysis*Cranial neuropathy leads to oculomotor and ciliary paralysis * Peripheral neuropathy - It is symmetrical* causes proximal* muscle weakness and spreads distally.PneumoniaPulmonary embolismBacteremia or endocarditisRenal failure", 'role': 'assistant'}]