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: Medicine
[{'content': "All of the following are features of Friadreich's Ataxia, Except: \nSelect and explain. \nA. Prograssive Ataxia is the most common presentation, B. Cardiomyopathy is a common association, C. Diabetes mellitus may be associated, D. Extensor plantar with brisk lower limb reflexes.", 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer is D (Extensor plantar with brisk lower limb reflexes): Friedreich's Ataxia, is characteristically associated with an extensor plantar response but absent lower limb reflexes. Lower limb reflexes are characteristically absent (in most patients) and not brisk. Cardiomyopathy is a common association seen in up to 90% of patients Diabetes mellitus may be associated in up to 25% of cases Progressive ataxia is the most common presenting symptom.", 'role': 'assistant'}]